Letter: o
- otter, animal, antelope, armadillo, bat, buckskin, elephant, ermine, fur, hare, hide, horse, kangaroo, mammal, opossum, pelt
- Ottoman, chair, hassock, seat, sofa
- oubliette, black hole, borstal, brig, cell, concentration camp, dungeon, gaol, guardhouse, hole, industrial school, jail, keep, labour camp, lock-up, pen
- ought, allegiance, burden, business, charge, commitment, dedication, deference, devotion, duty, ethics, fealty, homage, imperative, loyalty, mission
- ounce avoirdupois, dram, dyne, force, kilo, mass, pound, unit, weight
- ounce troy, dram, dyne, force, kilo, mass, pound, unit, weight
- ounce, ace, atom, bit, crumb, dab, dole, dot, dram, dribble, driblet, drop, dwarf, farthing, fleck, fragment
- our times, newness, now, present, times, today
- ourselves, I, alter ego, better self, ego, he, her, him, inner man, it, me, number one, oneself, other self, self, she
- oust, bereave, boot out, bounce, break, bust, cashier, cast, cast out, chuck out, defenestrate, defrock, deport, depose, dethrone, disbar
- ouster, booting out, bouncer, defenestration, discharge, dispossession, ejection, ejector, eviction, expulsion, extrusion, jettison, kicking downstairs, obtrusion, ousting, rejection
- ousting, boot, deposition, deprivation, disbarment, discharge, dismissal, displacement, dispossession, eviction, expulsion, extrusion, firing, jettison, liquidation, ouster
- out at elbows, beggared, beggarly, bereaved, bereft, deprived, disadvantaged, fleeced, heel, impoverished, indigent, mendicant, needy, pauperised, stripped, underprivileged
- out cold, asleep, blind, blind drunk, blotto, cataleptic, catatonic, cold, comatose, dead, doped, drugged, half-conscious, helpless, narcotised, oblivious
- out for bear, fishing, nosy, poking, probing, prying, searching
- out for, after, fishing, nosy, poking, probing, prying, searching
- out in front, coming, fortunate, made, prosperous, succeeding, successful, triumphant
- out loud, clearly, distinctly, out, plainly
- out of accord, antagonistic, antipathetic, at odds, at variance, at war, clashing, conflicting, contradictory, contrary, cranky, cross, differing, disagreeable, disagreeing, discordant
- out of bounds, a bit much, abandoned, banned, barred, boundless, contraband, cut-throat, egregious, enormous, exacting, exaggerated, excessive, exorbitant, extortionate, extravagant
- out of breath, breathless, panting, puffing, wheezing
- out of character, ill-adapted, ill-assorted, ill-chosen, ill-fitted, ill-matched, ill-sorted, ill-suited, ill-timed, improper, inadmissible, inapplicable, inappropriate, inapt, inept, infelicitous
- out of commission, at a standstill, at anchor, broken, dead-still, fixed, haywire, idle, immobile, in condition, in disrepair, in order, in repair, inoperative, motionless, obsolete
- out of condition, broken, gone to seed, haywire, inoperative, out of commission, out of joint, out of kilter, out of order, out of shape, out of whack, rusty, slipping, soft, stiff
- out of control, abandoned, go-go, immoderate, incontinent, indulgent, intemperate, irrepressible, lax, licentious, loose, non-restrictive, out of hand, permissive, rampant, riotous
- out of countenance, abashed, afflicted, agitated, ashamed, baffled, baulked, beset, betrayed, blasted, blighted, bothered, cast down, chagrined, confused, crestfallen
- out of danger, above water, high and dry, in the clear, undercover
- out of date, abandoned, abjured, ahead of time, anachronistic, antedated, antiquated, antique, archaic, back-number, beforehand, behind the times, behind time, behindhand, dated, deserted
- out of debt, above water, all clear, clear, free and clear, solvent
- out of doors, abroad, alfresco, out, outside, without
