5 Letter Words That Start With O

order

Noun : (countable) Arrangement, disposition, or sequence.

Noun : (countable) A position in an arrangement, disposition, or sequence.

Noun : (uncountable) The state of being well arranged.

overt

Adjective : Open and not concealed or secret.

Adjective : (heraldry) Disclosed.

Noun : (Scientology) An action or condition said to be detrimental to one’s own survival and thus unethical; the consciousness of such behaviour.

ochre

Noun : A clay earth pigment containing silica, aluminum and ferric oxide.

Noun : A somewhat dark yellowish orange colour.

Noun : (molecular biology, colloquial) The stop codon sequence "UAA".

obeah

Noun : A form of folk magic, medicine or witchcraft originating in Africa and practised in parts of the Caribbean.

Noun : A magician or witch doctor of the magic craft.

Noun : A spell performed in the practice of the magic craft; an item associated with such a spell.

onset

Noun : (medicine) The initial phase of a disease or condition, in which symptoms first become apparent.

Noun : (phonology) The initial portion of a syllable, preceding the syllable nucleus.

Noun : (acoustics) The beginning of a musical note or other sound, in which the amplitude rises from zero to an initial peak.

odium

Noun : Hatred; dislike.

Noun : The quality that provokes hatred; offensiveness.

oasis

Noun : A spring of fresh water, surrounded by a fertile region of vegetation, in a desert.

Noun : (figuratively) A quiet, peaceful place or situation separated from surrounding noise or bustle.

Noun : (figuratively) A place or situation of fruitfulness or abundance separated from surrounding barrenness or scarcity.

odeon

Noun : An ancient Greek or Roman building used for performances of music and poetry.

Noun : A theatre or concert hall.

Noun : Any of several ancient Greek and Roman buildings built for musical activities

outré

Adjective : Beyond what is customary or proper; extravagant.

Adjective : Very unconventional.

omega

Noun : The twenty-fourth letter of the Classical and the Modern Greek alphabet, and the twenty-eighth letter of the Old and the Ancient Greek alphabet, i.e. the last letter of every Greek alphabet. Uppercase version: Ω; lowercase: ω.

Noun : (often capitalized) The end; the final, last or ultimate in a sequence.

Noun : (physics) Angular velocity; symbol: ω.

other

Adjective : See other (determiner) below.

Adjective : Second.

Adjective : Alien.

occur

Verb : (intransitive) To happen or take place.

Verb : (intransitive) To present or offer itself.

Verb : (impersonal) To come or be presented to the mind; to suggest itself.

ovine

Adjective : (comparable) Of, being, pertaining to, or resembling a sheep; also, (not comparable) of an animal: from the genus Ovis.

Adjective : (comparable, figurative) Resembling a sheep in character; acquiescent, easily influenced, passive, or willing to follow a leader blindly.

Noun : An animal from the genus Ovis; a sheep.

oriel

Noun : (architecture) A large polygonal recess in a building, such as a bay window, forming a protrusion on the outer wall.

Noun : (obsolete) A small apartment next to a hall, used for dining.

Noun : (Oxford University, informal) Ellipsis of Oriel College, Oxford.

offer

Noun : A proposal that has been made.

Noun : Something put forth, bid, proffered or tendered.

Noun : (law) An invitation to enter into a binding contract communicated to another party which contains terms sufficiently definite to create an enforceable contract if the other party accepts the invitation.

optic

Adjective : (relational) Of, or relating to the eye or to vision.

Adjective : (optics, relational) Of, or relating to optics or optical instruments.

Noun : (archaic, humorous) An eye.

outre

Adjective : Alternative spelling of outré [Beyond what is customary or proper; extravagant.]

oggle

Verb : Alternative form of ogle [(transitive, intransitive) To stare at (someone or something), especially impertinently, amorously, or covetously.]

orbit

Noun : The curved path of one object around a point or another body.

Noun : (astronomy) An elliptical movement of an object about a celestial object or Lagrange point, especially a periodic elliptical revolution.

Noun : One complete circuit round an orbited body.

ought

Verb : (auxiliary) Indicating duty or obligation.

Verb : (auxiliary) Indicating advisability or prudence.

Verb : (auxiliary) Indicating desirability.

oracy

Noun : (uncountable) The ability to speak, and to understand spoken language

Noun : (countable) A measure of this ability

orion

Noun : (Greek mythology) A giant-hunter, pursuer of the Pleiades and lover of Eos, and killed by Artemis.

Noun : (astronomy) A constellation on the celestial equator close to Gemini and Taurus, containing the stars Betelgeuse and Rigel.

Noun : A surname.

orcus

Noun : (Roman mythology) The Etruscan and Roman god of the underworld.

Noun : (astronomy) A plutino and planetoid, possibly a dwarf planet; sometimes referred to as the “anti-Pluto”.

offal

Noun : The internal organs of an animal, used as food.

Noun : A by-product of the grain milling process, which may include bran, husks, etc.

Noun : A dead body; carrion.

opine

Verb : (intransitive, transitive) To express an opinion; to state as an opinion; to suppose, consider (that).

Verb : (intransitive) To give one's formal opinion (on or upon something).

Verb : (intransitive, transitive) to suppose, consider as correct, or entertain, an opinion.

ovate

Adjective : Shaped like an egg.

Adjective : (botany, of leaves) With the broadest extremity near the base.

Noun : (archaeology) An egg-shaped hand axe.

oread

Noun : (Greek mythology) A mountain nymph; an anthropomorphic appearance of the spirit of a mountain.

oomph

Noun : (informal, uncountable) Strength, power, passion or effectiveness; clout.

Noun : (informal, uncountable) Sex appeal.

Noun : (countable) A bassy grunting or thudding sound.

outgo

Verb : (transitive)

Verb : (archaic) To go further than (someone or something); to exceed, to go beyond, to surpass.

Verb : (obsolete)

orach

Noun : The saltbush: any of several plants of the genus Atriplex

Noun : especially Atriplex hortensis

Noun : or Atriplex patula, found in dry habitats, that have edible leaves resembling spinach.

ousia

Noun : (theology) The essential nature or ‘substance’ of God, often as contrasted to the ‘energies’ (external actions and influences) through which he is manifest.

Noun : (philosophy) Essence, being.

obake

Noun : A ghost or apparition in Japanese folklore.

orixa

Noun : Alternative spelling of orisha [A divine entity in Yoruba religion that possesses the supernatural capability of reflecting some of the manifestations of Olódùmarè]

ounce

Noun : An avoirdupois ounce, weighing ¹⁄₁₆ of an avoirdupois pound, or 28.349523125 grams.

Noun : A troy ounce, weighing ¹⁄₁₂ of a troy pound, or 480 grains, or 31.1034768 grams.

Noun : A US fluid ounce, with a volume of ¹⁄₁₆ of a US pint, 1.804688 cubic inches or 29.5735295625 millilitres.

ocean

Noun : (countable) One of the large bodies of water separating the continents.

Noun : (uncountable) Water belonging to an ocean.

Noun : (figuratively) An immense expanse; any vast space or quantity without apparent limits.

often

Verb : Frequently; many times on different occasions.

Adjective : (archaic) Frequent.

odour

Noun : (British spelling) Alternative spelling of odor [Any smell, whether fragrant or offensive.]

oddly

Verb : In a peculiar manner; strangely; unusually.

Verb : In a manner measured by an odd number.

orate

Verb : To speak formally; to give a speech.

Verb : To speak passionately; to preach for or against something.

Adjective : Competent in oracy; having good speaking skills.

ollie

Noun : (skateboarding, surfing, snowboarding) An aerial maneuver in which one catches air by leaping off the ground with the skateboard and into the air.

Verb : (intransitive) To perform an ollie.

Noun : A unisex given name.

ornis

Noun : (formal) A bird.

Noun : The birds collectively of a region; avifauna.

obama

Noun : An African surname from Luo.

Noun : Barack Obama, 44th president of the United States of America.

Noun : A city in Fukui Prefecture, Japan. See Wikipedia:Obama, Fukui.

organ

Noun : The larger part of an organism, composed of tissues that perform similar functions.

Noun : (by extension) A body of an organization dedicated to the performing of certain functions.

Noun : (obsolete) A device, apparatus.

ovoid

Adjective : Shaped like an oval.

Adjective : Egg-shaped; shaped like an oval, but more tapered at one end; ovate.

Noun : Something that is oval in shape.

ortho

Noun : (countable, chemistry) An isomer of a benzene derivative having two substituents adjacent on the ring.

Noun : (countable, astronomy) A certain type of flat eyepiece.

Noun : (countable, photography, dated) An orthochromatic plate.

octad

Noun : A group of eight things.

Noun : (historical) hundred million = myriad myriad; 100,000,000 = 10⁸

ouija

Noun : (countable) A board, having letters of the alphabet and the words yes and no; used with a planchette during a seance to "communicate" with spirits.

Noun : (uncountable) The use of such a board to attempt to communicate with spirits.

Noun : Alternative letter-case form of Ouija [(countable) A board, having letters of the alphabet and the words yes and no; used with a planchette during a seance to "communicate" with spirits.]

oculo

orale

Noun : A white silk veil with coloured stripes, sometimes worn by the pope.

oozle

Noun : (painting, watercolor) An effect created by dropping clear water onto a painted section before it is dry, forming a burst of color.

Verb : To sneak; to creep or sidle.

Verb : To flow sinuously; to seep or ooze;

orisa

Noun : Alternative spelling of orisha [A divine entity in Yoruba religion that possesses the supernatural capability of reflecting some of the manifestations of Olódùmarè]

obedt

Adjective : (archaic) Abbreviation of obedient. (in letter-closing formulas such as "your obedient servant") [Willing to comply with the commands, orders, or instructions of those in authority; biddable.]

olive

Noun : A tree of species Olea europaea cultivated since ancient times in the Mediterranean for its fruit and the oil obtained from it.

Noun : The small oval fruit of this tree, eaten ripe (usually black) or unripe (usually green).

Noun : The wood of the olive tree.

onion

Noun : A monocotyledonous plant (Allium cepa), allied to garlic, used as vegetable and spice.

Noun : The bulb of such a plant.

Noun : A plant of the genus Allium as a whole.

opera

Noun : (music) A theatrical work, combining drama, music, song and sometimes dance.

Noun : (music) The score for such a work.

Noun : (music) The genre of such works, the art of composing operas.

outer

Adjective : Outside; external.

Adjective : Farther from the centre of the inside.

Noun : An outer part.

ovule

Noun : (botany) The structure in a plant that develops into a seed after fertilization; the megasporangium of a seed plant with its enclosing integuments.

Noun : (zoology) An immature ovum in mammals.

ology

Noun : (colloquial) Any branch of learning, especially one ending in “-logy”.

oiler

Noun : One who or that which oils.

Noun : An assistant in the engine room of a ship, senior only to a wiper, mainly responsible for keeping machinery lubricated.

Noun : Any of various automatic devices for oiling pneumatic tools or other tools.

ocher

Noun : Alternative spelling of ochre [A clay earth pigment containing silica, aluminum and ferric oxide.]

Verb : Alternative spelling of ochre [To cover or tint with ochre.]

olden

Adjective : From or relating to a previous era.

Adjective : (archaic) Old; ancient.

Verb : (intransitive, dated or rare) To grow old; age; assume an older appearance or character; become affected by age.

oxbow

Noun : A U-shaped piece of wood used as a collar for an ox, the upper parts of which are fastened to its yoke.

Noun : A meander in a river; the land enclosed by such a loop.

Noun : A town in North Dakota.

owlet

Noun : A young owl; owling.

Noun : One of a species of small owls, such as Athene noctua.

Noun : An owlet moth.

own up

Verb : (intransitive) To acknowledge, confess, or admit guilt or responsibility. [with to]

oozed

Noun : Tanning liquor, an aqueous extract of vegetable matter (tanbark, sumac, etc.) in a tanning vat used to tan leather.

Noun : An oozing, gentle flowing, or seepage, as of water through sand or earth.

Noun : (obsolete) Secretion, humour.

offre

Noun : Obsolete form of offer. [A proposal that has been made.]

Verb : Obsolete form of offer. [(intransitive) To propose or express one's willingness (to do something).]

omnes

ozone

Noun : (inorganic chemistry) An allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge.

Noun : (British, informal) Fresh air, especially that breathed at the seaside and smelling of seaweed.

Verb : (transitive) To treat with ozone.

owner

Noun : One who owns something.

Noun : (nautical, slang) The captain of a ship.

Noun : (Philippines) Ellipsis of owner-type jeepney. [(Philippines) a Jeep meant for private use (designed as a smaller, lighter version of the jeepney, similar to the original US military Jeep and its non-military derivative)]

otter

Noun : An aquatic or marine carnivorous mammal in the subfamily Lutrinae of the family Mustelidae, which also includes weasels, polecats, badgers, and others.

Noun : (gay slang) A hairy man with a slender physique, in contrast with a bear, who is more thickset.

Noun : (obsolete) annatto (dye)

ogive

Noun : (statistics) The curve of a cumulative distribution function.

Noun : (architecture) A Gothic pointed arch, or a rib of a Gothic vault.

Noun : (weaponry, ballistics) The pointed, curved nose of a bullet, missile, or rocket.

outdo

Verb : (transitive) To excel; go beyond in performance; surpass.

oaken

Adjective : Made from the wood of the oak tree. Also in metaphorical uses, suggesting robustness.

ostia

Noun : (historical) A port and town on the Tiber in Italia, Roman Empire, the harbour of ancient Rome

Noun : A modern refounding of the ancient town at the mouth of the Tiber, now a neighbourhood of Rome, Italy

ombre

Noun : A Spanish card game, usually played by three people. It involves forty cards, omitting the ranks of 8, 9 and 10.

Noun : (archaic) A large Mediterranean food fish, Umbrina cirrosa

Noun : Alternative spelling of ombré (“a gradual blending of one color hue to another”). [(fashion, design) A gradual blending of one color hue to another, usually moving tints and shades from light to dark.]

ogler

Noun : One who ogles.

osmic

Adjective : (chemistry, obsolete) Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a higher valence.

Adjective : Relating to the sense of smell

ontic

Adjective : Ontological.

Adjective : Pertaining to being, as opposed to pertaining to a theory of it (which would be ontological).

outed

Verb : Away from the inside or centre.

Verb : Away from, or at a distance from, some point of reference or focus.

Verb : Specifically, away from home or one's usual place.

otaku

Noun : (fandom slang) One with an obsessive interest in something, particularly (originally derogatory) obsessive Japanese fans of anime or manga.

on top

Verb : On the highest point or surface.

Verb : (idiomatic) In a dominant position.

odyle

Noun : (pseudoscience, historical) Synonym of od (“a hypothetical force or natural power, now proved not to exist, which was supposed by Carl Reichenbach and others to inhere in certain people and produce phenomena such as animal magnetism and mesmerism, and to be developed by various agencies, as by chemical or vital action, heat, light, magnets, etc.”)

oxley

Noun : A suburb of Wolverhampton, West Midlands, England (OS grid ref SJ9101).

Noun : A community in the town of Essex, Essex County, Ontario, Canada.

Noun : A number of places in Australia, most of which are named after John Oxley:

outen

Adjective : (chiefly dialectal) Being from without; strange; foreign; peculiar.

Verb : (transitive, chiefly dialectal) To put out; extinguish.

Noun : A surname from Dutch.

ovale

orans

Noun : (art, Christianity) A figure in an attitude of prayer, usually standing, with the elbows close to the sides of the body and with the hands outstretched sideways, palms up.

Noun : (Christianity) The posture or bodily attitude of such a figure.

odden

Verb : (rare, ambitransitive) To make or become odd (all senses)

on par

Adjective : Alternative form of on a par

orful

Adjective : Pronunciation spelling of awful. [Very bad.]

Verb : Pronunciation spelling of awful. [Awfully; dreadfully; terribly.]

otate

ovary

Noun : (anatomy) A female reproductive organ, often paired, that produces ova in most animals, and in mammals, secretes the hormones estrogen and progesterone.

Noun : (botany) The lower part of a pistil or carpel that bears ovules and ripens into fruit.

obese

Adjective : Extremely overweight, especially: weighing more than 20% (for men) or 25% (for women) over their conventionally ideal weight determined by height and build; or, having a body mass index over 30 kg/m².

Noun : A person who is obese.

oscar

Noun : A male given name from Irish or Old English.

Noun : A surname from Irish [in turn originating as a patronymic], a rare anglicization of Mac Oscair (“son of Oscar”) (McCusker).

Noun : A locale in the United States.

okapi

Noun : A large ruminant mammal, of species Okapia johnstoni, found in the rainforests of the Congo, related to the giraffe but with a much shorter neck, a reddish-brown coat, and zebra-like stripes on its hindquarters.

owing

Adjective : Still to be paid; owed as a debt.

osier

Noun : A willow, of species Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America, considered the best willow for wickerwork.

Noun : (loosely) Any kind of willow.

Noun : (countable, uncountable) Long, pliable twigs of this plant, or of other similar plants.

orris

Noun : Any of several irises that have a fragrant root, especially Iris × germanica.

Noun : The fragrant root of such an iris.

Noun : A type of gold or silver lace.

octal

Noun : (arithmetic, computing, uncountable) The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

Noun : (arithmetic, computing, countable) A digit or value in the octal number system.

Adjective : (arithmetic, computing) Concerning numbers expressed in octal or mathematical calculations performed using octal.

ouzel

Noun : (now regional) A Eurasian blackbird (Turdus merula).

Noun : (chiefly Canada, US) A water ouzel, an aquatic perching bird (Cinclus mexicanus).

oldie

Noun : (informal) Something or someone old.

Noun : (informal) A song or record from a previous era.

Noun : (informal, in the plural) The genre of music composed of popular music from previous eras.

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