| Latin | English | |
| opinio | rumor | » |
| opinio | opinion, report, rumor, conjecture, report | » |
| oblivio | forgetfulness, oblivion | » |
| oblivisci [Verb] | forge | » |
| occidio | slaughter, massacre | » |
| opprobrium, -i (n.) [Noun] | opprobriu | » |
| officina | workshop, factor | » |
| ordinatim | regularly, ordinarily | » |
| ordinatio | rule, government, order, arrangment, regulation | » |
| officium | office, obligation, duty | » |
| ovis ovis | sheep | » |
| officium | duty, service, job, post, position, responsibility | » |
| ordinarius | according to order, regular, ordinary | » |
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| omnifariam | in every way | » |
| officiose | courteously, dutifully, solemnly, ceremoniously | » |
| officiosus | respectful, attentive | » |
| obviam ire | (+ dat.) to go to meet, oppose /help, remedy | » |
| opportunitas, -atis (f.) [Noun] | opportunit | » |
| orbis signifer | the Zodiac | » |
| oryx, origis | gazelle, wild goat | » |
| oblivio [Noun] | forgetfulnes | » |
| obsequium funeris | funeral rites | » |
| origo, originis | origin, start, source, beginning / ancestor | » |
| ordine, ordinem | regularly, appropriately, properly | » |
| orior oriri ortus | rise, become visible, appear | » |
| Omnia vincit amor | Love conquers all | » |
| Orbis non sufficit | The world is not enough | » |
| O sancta simplicitas! | O sacred simplicity | » |
| ordior, ordiri, orsus | to begin, start (esp. of speaking) | » |
| Occasio facit furem | Opportunity makes a thief | » |
| Omnia munda mundis | Everything is pure for the one who is pure | » |
| Obscuris vera involvens | Obscurity envelops truth | » |
| obicio obieci obiectum | to offer, throw in someone's teeth | » |
| occido, occidi, occasum | to fall, fall down, (for the sun) to set | » |
| oppono opposui oppositum | to set against, oppose, be opposite | » |
| opprimo oppressi oppressum | to suppress, overwhelm, overpower, check | » |
| Omne ignotum pro magnifico | Everything unknown passes for miraculous | » |
| Optimum medicamentum quies est | Peace is the best medicine | » |
| Oculi plus vident quam oculus | Several eyes see more than only one | » |
| orbis non sufficit carpe panton | The world is not enough take everything | » |
| Omnium artium medicina nobilissima est | Medicine is the noblest of all arts | » |
| Occasio aegre offertur, facile amittitur | Opportunity is offered with difficulty, lost with ease | » |
| Omne tulit punctum, qui miscuit utile dulci | He has gained every point who has mixed the useful and the agreeable | » |
| O fortunatos nimium sua si bona norint, agricolas | Oh fortunate farmers [i.e., non-mariners], if only they would see their luck | » |
| Omnes homines sibi sanitatem cupiunt, saepe autem omnia, quae valetudini contraria sunt, faciunt | All men wish to be healthy, but often they do everything that's disadvantageous to their health | » |