Law Dictionary – Legal Words ( O )

oaken Made of or from oak.

oakum Hemp-fiber obtained by untwisting and picking out loosely the yarns of old hemp rope.

obdurate Impassive to feelings of humanity or pity.

obelisk A square shaft with pyramidal top, usually monumental or commemorative.

obese Exceedingly fat.

obesity Excessive fatness.

obituary A published notice of a death.

objective Grasping and representing facts as they are.

objector One who objects, as to a proposition, measure, or ruling.

obligate To hold to the fulfillment of duty.

obligatory Binding in law or conscience.

oblique Slanting; said of lines.

obliterate To cause to disappear.

oblivion The state of having passed out of the memory or of being utterly forgotten.

oblong Longer than broad: applied most commonly to rectangular objects considerably elongated

obnoxious Detestable.

obsequies Funeral rites.

obsequious Showing a servile readiness to fall in with the wishes or will of another.

observance A traditional form or customary act.

observant Quick to notice.

observatory A building designed for systematic astronomical observations.

obsolescence The condition or process of gradually falling into disuse.

obsolescent Passing out of use, as a word.

obsolete No longer practiced or accepted.

obstetrician A practitioner of midwifery.

obstetrics The branch of medical science concerned with the treatment and care of women during pregnancy.

obstinacy Stubborn adherence to opinion, arising from conceit or the desire to have one’s own way.

obstreperous Boisterous.

obstruct To fill with impediments so as to prevent passage, either wholly or in part.

obstruction Hindrance.

obtrude To be pushed or to push oneself into undue prominence.

obtrusive Tending to be pushed or to push oneself into undue prominence.

obvert To turn the front or principal side of (a thing) toward any person or object.

obviate To clear away or provide for, as an objection or difficulty.

occasion An important event or celebration.

Occident The countries lying west of Asia and the Turkish dominions.

occlude To absorb, as a gas by a metal.

occult Existing but not immediately perceptible.

occupant A tenant in possession of property, as distinguished from the actual owner.

occurrence A happening.

octagon A figure with eight sides and eight angles.

octave A note at this interval above or below any other, considered in relation to that other.

octavo A book, or collection of paper in which the sheets are so folded as to make eight leaves.

octogenarian A person of between eighty and ninety years.

ocular Of or pertaining to the eye.

oculist One versed or skilled in treating diseases of the eye.

oddity An eccentricity.

ode The form of lyric poetry anciently intended to be sung.

odious Hateful.

odium A feeling of extreme repugnance, or of dislike and disgust.

odoriferous Having or diffusing an odor or scent, especially an agreeable one.

odorous Having an odor, especially a fragrant one.

off Farther or more distant.

offhand Without preparation.

officiate To act as an officer or leader.

officious Intermeddling with what is not one’s concern.

offshoot Something that branches off from the parent stock.

ogre A demon or monster that was supposed to devour human beings.

ointment A fatty preparation with a butter-like consistency in which a medicinal substance exists.

olfactory of or pertaining to the sense of smell.

olive-branch –  A branch of the olive-tree, as an emblem of peace.

ominous Portentous.

omission Exclusion.

omnipotence Unlimited and universal power.

Omnipotent Possessed of unlimited and universal power.

omniscience Unlimited or infinite knowledge.

omniscient Characterized by unlimited or infinite knowledge.

omnivorous Eating or living upon food of all kinds indiscriminately.

onerous Burdensome or oppressive.

onrush Onset.

onset An assault, especially of troops, upon an enemy or fortification.

onslaught A violent onset.

onus A burden or responsibility.

opalescence The property of combined refraction and reflection of light, resulting in smoky tints.

opaque Impervious to light.

operate To put in action and supervise the working of.

operative Active.

operator One who works with or controls some machine or scientific apparatus.

operetta A humorous play in dialogue and music, of more than one act.

opinion A conclusion or judgment held with confidence, but falling short of positive knowledge.

opponent One who supports the opposite side in a debate, discussion, struggle, or sport.

opportune Especially fit as occurring, said, or done at the right moment.

opportunist One who takes advantage of circumstances to gain his ends.

opportunity Favorable or advantageous chance or opening.

opposite Radically different or contrary in action or movement.

opprobrium The state of being scornfully reproached or accused of evil.

optic Pertaining to the eye or vision.

optician One who makes or deals in optical instruments or eye-glasses.

optics The science that treats of light and vision, and all that is connected with sight.

optimism The view that everything in nature and the history of mankind is ordered for the best.

option The right, power, or liberty of choosing.

optometry Measurement of the powers of vision.

opulence Affluence.

opulent Wealthy.

oral Uttered through the mouth.

orate To deliver an elaborate or formal public speech.

oration An elaborate or formal public speech.

orator One who delivers an elaborate or formal speech.

oratorio A composition for solo voices, chorus, and orchestra, generally taken from the scriptures.

oratory The art of public speaking.

ordeal Anything that severely tests courage, strength, patience, conscience, etc.

ordinal That form of the numeral that shows the order of anything in a series, as first, second, third.

ordination A consecration to the ministry.

ordnance A general name for all kinds of weapons and their appliances used in war.

orgies Wild or wanton revelry.

origin The beginning of that which becomes or is made to be.

original Not copied nor produced by imitation.

originate To cause or constitute the beginning or first stage of the existence of.

ornate Ornamented to a marked degree.

orthodox Holding the commonly accepted faith.

orthodoxy Acceptance of the common faith.

orthogonal Having or determined by right angles.

orthopedic Relating to the correcting or preventing of deformity

orthopedist One who practices the correcting or preventing of deformity

oscillate To swing back and forth.

osculate To kiss.

ossify to convert into bone.

ostentation A display dictated by vanity and intended to invite applause or flattery.

ostracism Exclusion from intercourse or favor, as in society or politics.

ostracize To exclude from public or private favor.

ought To be under moral obligation to be or do.

oust To eject.

out-and-out –  Genuinely.

outbreak A sudden and violent breaking forth, as of something that has been pent up or restrained.

outburst A violent issue, especially of passion in an individual.

outcast One rejected and despised, especially socially.

outcry A vehement or loud cry or clamor.

outdo To surpass.

outlandish Of barbarous, uncouth, and unfamiliar aspect or action.

outlast To last longer than.

outlaw A habitual lawbreaker.

outlive To continue to exist after.

out-of-the-way Remotely situated.

outpost A detachment of troops stationed at a distance from the main body to guard against surprise.

outrage A gross infringement of morality or decency.

outrageous Shocking in conduct.

outreach To reach or go beyond.

outride To ride faster than.

outrigger A part built or arranged to project beyond a natural outline for support.

outright Entirely.

outskirt A border region.

outstretch To extend.

outstrip To go beyond.

outweigh To surpass in importance or excellence.

overdo To overtax the strength of.

overdose An excessive dose, usually so large a dose of a medicine that its effect is toxic.

overeat To eat to excess.

overhang A portion of a structure which projects or hangs over.

overleap To leap beyond.

overlord One who holds supremacy over another.

overpass To pass across or over, as a river.

overpay To pay or reward in excess.

overpower To gain supremacy or victory over by superior power.

overproduction Excessive production.

overreach To stretch out too far.

overrun To infest or ravage.

oversee To superintend.

overseer A supervisor.

overshadow To cast into the shade or render insignificant by comparison.

overstride To step beyond.

overthrow To vanquish an established ruler or government.

overtone A harmonic.

overture An instrumental prelude to an opera, oratorio, or ballet.

overweight Preponderance.

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