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old–time adjective 1 : of, relating to, or characteristic of an earlier period

2 : of long standing

Synonyms

antique, old-fashioned, quaint—more at OLD-FASHIONED

old–tim·er noun 1 : veteran

2 : an aging or elderly person : OLDSTER

old wives' tale noun : an often traditional belief that is not based on fact

Synonyms

error, fallacy, falsehood, falsity, illusion, misconception, myth, untruth—more at FALLACY

old–world adjective : having old-fashioned charm

Old World noun : the eastern hemisphere exclusive of Australia; especially : continental Europe

ole·ag·i·nous adjective : OILY

ole·an·der noun : a poisonous evergreen shrub often grown for its fragrant white to red flowers

oleo noun, plural ole·os : MARGARINE

oleo·mar·ga·rine noun : MARGARINE

ol·fac·to·ry adjective : of or relating to the sense of smell

oli·gar·chy noun, plural -chies 1 : a government in which power is in the hands of a few

2 : a state having an oligarchy; also : the group holding power in such a state

— oli·garch noun

— oli·gar·chic or oli·gar·chi·cal adjective

Oli·go·cene adjective : of, relating to, or being the epoch of the Tertiary between the Eocene and the Miocene

— Oligocene noun

olio noun, plural oli·os : HODGEPODGE, MEDLEY

ol·ive noun 1 : an Old World evergreen tree grown in warm regions for its fruit that is a food and the source of an edible oil (olive oil)

2 : a dull yellowish green color

olive drab noun 1 : a grayish olive color

2 : an olive drab wool or cotton fabric; also : a uniform of this fabric

ol·iv·ine noun : a usu. greenish mineral that is a complex silicate of magnesium and iron

Olym·pic Games noun plural : a modified revival of an ancient Greek festival consisting of international athletic contests that are held at separate winter and summer gatherings at four-year intervals

om noun : a mantra consisting of the sound “om” used in contemplating ultimate reality

Oma·ha noun, plural Omaha or Omahas : a member of an American Indian people of northeastern Nebraska

om·buds·man noun, plural -men 1 : a government official appointed to investigate complaints made by individuals against abuses or capricious acts of public officials

2 : one that investigates reported complaints (as from students or consumers)

ome·ga noun : the 24th and last letter of the Greek alphabet — Ω or ω

om·elet or om·elette noun [ORIGIN: F omelette, alter. of MF amelette, alemette, alter. of alemelle thin plate, ultim. fr. L lamella, dim. of lamina]

: eggs beaten with milk or water, cooked without stirring until set, and folded over

omen noun : an event or phenomenon believed to be a sign or warning of a future occurrence

Synonyms

augury, auspice, foreboding, portent, presage; also forerunner, harbinger, herald, precursor; foretaste, hint, inkling, intimation, suggestion; forewarning; forecast, foretelling, prediction, prognostication, prophecy; badge, mark, note, token

om·i·cron noun : the 15th letter of the Greek alphabet — Ο or ο

om·i·nous adjective 1 : foretelling evil : THREATENING

2 : being or exhibiting an omen

— om·i·nous·ly adverb

— om·i·nous·ness noun

Synonyms

baleful, dire, foreboding, menacing, portentous, sinister, threatening; also black, dark, gloomy; inauspicious, unfavorable, unpromising, ill-fated, ill-starred, unfortunate, unlucky; evil, malign, malignant

omis·si·ble adjective : that may be omitted

omis·sion noun 1 : something neglected or left undone

2 : the act of omitting : the state of being omitted

3 : apathy toward or neglect of duty : lack of action

Synonyms

delinquency, dereliction, laxity, laxness, neglect, negligence, remissness, slackness; also carelessness, heedlessness, thoughtlessness; inadvertence, inattention, oversight

omit verb omit·ted; omit·ting 1 : to leave out or leave unmentioned

2 : to fail to perform : NEGLECT

Synonyms

fail, forget, neglect—more at NEGLECT

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