| old(ancient, old, antique) |
old(elderly, old, aged) |
on(at, in, on) |
only(only, single, sole, unique, alone) |
on purpose(deliberately, on purpose) |
| on time(in time, on time) |
open(unfold, open) |
operation(act, action, deed, operation, performance) |
opinion(advice, opinion, proposal, suggestion, recommendation, view) |
opinion(opinion, view, sentiment, idea) |
| opponent(opponent, competitor, enemy, foe, rival) |
opportunity(chance, opportunity, occasion) |
oppose(contradict, deny, oppose, refute) |
oppose(object, oppose, resist, protest) |
oppose(oppose, defy, withstand, resist) |
| opposite(opposite, contrary, adverse, reverse, converse) |
oppress(oppress, suppress) |
opt(choose, select, elect, pick, prefer, opt) |
optimistic(optimistic, hopeful) |
option(choice, alternative, preference, option, selection, election) |
| oral(oral, verbal) |
oration(address, speech, lecture, oration, report, talk) |
orchestra(orchestra, band) |
order(command, order, direction, instruction) |
orderly(neat, tidy, trim, orderly) |