obdormio : to fall asleep.

obduco : to draw over, cover/ lead against / pass, spend

obduro : to be hard, persist, endure, last, hold out.

obicio obieci obiectum : to offer, throw in someone's teeth.

obligatus : bound, under an obligation.

obliquo : to turn sideways, turn aside.

oblittero : to cancel, blot out.

oblivio : forgetfulness, oblivion.

obruo : to overwhelm, destroy.

obsequium : indulgence, pliancy, submission.

obses : (obsidis) hostage, security, pledge, surety

obsideo : to sit near / haunt, frequent / besiege, invest

obsido : blockage, besiege, invest

obstinatus : firm, resolved, staunch.

obtestor : to implore, entreat, beg, call as a witness.

obtineo : to hold, keep, possess, maintain / to continue.

obviam : on the way, in the way /(+ dat.) towards, against.

obviam ire : (+ dat.) to go to meet, oppose / help, remedy.

obviam : (adverb) in the way, on the way, toward

obvius : on the way, in the way / (in dat.) open, accessible.

obvolvo : to wrap up, cover,

occasio : favorable moment, opportunity.

occasus : setting (of the sun, etc)/ the west / fall, destruction.

occatio : harrowing.

occidio : slaughter, massacre.

occido : occidi : occasum : to fall, fall down, (for the sun) to set.

occisor : murderer.

occludo : to close, shut up, close off.

occulco : to trample (down).

occulte : secretly, in secret, by stealth.

occulto : to hide, conceal, cover.

occultus : hidden, concealed / secretly.

occumbo : to fall, topple, drop / fall dead.

occupo : to take possession, grasp, seize, enjoy, get a start on.

occurro : to occur / run to meet, attack / oppose, work against

occuro : to occur, come about, happen.

occursus : a meeting.

ocius : quick. fleet, sooner, faster.

oculus : eye.

odio : to hate, despite, hold in contempt, dislike strongly.

odium : hatred.

odorus : keen scenter, sharp nosed.

oestrus : horse-fly, frenzy.

offa : lump, swelling / pellet, shot / mass of something.

offendo : to knock, hit, strike / shock, offend, displease / stumble, lurch.

offensio : striking, knocking, hitting against, blow.

offensus : collision, shock / dislike, displeasure.

offero : to bring forward, place before, present, offer, expose.

officina : workshop, factor.

officiosus : respectful, attentive.

officium : duty, service, job.

olim : at that time, formerly, once, for a long time now.

omitto : to omit, leave out / let go.

omitto : to let slip, lose, pardon

omnigenus : of all kinds.

omnino : altogether, entirely, wholly, certainly, completely.

omnipotens : all-powerful, almighty, omnipotent

omnis : all, every.

onero : to load, burden, oppress, fil up.

onus : load, burden, weight, trouble / charge, public road tax.

opera : work, pains, labor.

operor : to work, labor, toil, take pains.

opes : (pl.) means, wealth, abundance, riches, resources.

opinio : opinion, report, rumor, conjecture, report.

opinor : -atus, 1, dep. v, to be of the opinion of

opisthotonos : A disease where the body is curved backward.

oporotheca : place for keeping fruit

oportet : it is proper, one should, one ought

oportet : imper v., to assume it shall be, reasonable, necessary

oportet : it is fitting, it is proper, reasonable, becoming

oportunitas : convenience, fitness, advantage, opportunity.

oppono opposui oppositum : to set against, oppose, be opposite.

opportune : (adv) opportunely, conveniently.

opportunitas : fitness, suitability, convenience, advantage.

opportunitatus : Heriman, cap. 42.

opportunus : opportune, fit, convenient, suitable.

opportunus : fit, suitable/ (time) favorable /(+dat.) liable to.

opprimo oppressi oppressum : to suppress, overwhelm, overpower, check.

opprobrium : reproach, disgrace.

oppugno : to fight against, attack, assault, assail.

ops : singular: power, poer to aid, power to help

optimates : the aristocratic party.

optimus: one of the best, aristocrat, noble.

opto : to desire, wish for, want.

opulens : opulentus : rich, wealthy / powerful, mighty / splendid, sumptuous

opulente : opulenter : richly, wealthily

opulentia : riches, wealth / power, might / opulence, splendor

opus operis : work, labor, work done, completed work, building

opusculus : a little or small work, a small book

ora : region, clime, district, country / residents of a district

ora : edge, rim, border, boundary / coast, coast-line

oraculum : a solemn statement, oracle, prophecy, words of a god

oratio : speech, address, oration.

orator : orator, speaker. spokesman, envoy, ambassador

oratorie : oratorically

oratorius : oratorical / oratory

oratu : (abl.sing.m.) by request

orbis signifer : the Zodiac

orbis : circle, orb, ring, disk, orbit, coil/ round / rotation

orbis lacteus : the Milky Way

orbis terrarum : the world, the Earth

orbita : a wheel rut

orbitas : bereavement, loss of children, loss of parents

orbus : deprived of children or parents, orphan / deprived, destitute

orca : a pot or jar

orchas : orchadis : a type of olive

orchestra : theater space reserved for the Senate / senators

ordinarius : according to order, regular, ordinary

ordinatim : regularly, ordinarily

ordinatio : rule, government, order, arrangment, regulation

ordinatus : arranged, orderly

ordine, ordinem : regularly, appropriately, properly

ordino : (-are) to set in order, regulate, arrange, appoint, govern

ordior : ordiri : orsus : to begin, start (esp. of speaking)

ordo : rank, class, order

orexis : appetite, desire

organum : instrument, musical instrument.

orgia : a festival of mysteries, orgy

orichalcum : copper ore / brass

oriens : rising, the rising sun / east / morning

origo : originis : origin, start, source, beginning / ancestor

orior oriri ortus : rise, become visible, appear.

orior : to be born / to be a consequence or result of something

orior : rise, become visible, appear

oriundus : arising from, springing from, coming from

ornamentum : equipment, kit, trappings / furniture / decorations

ornamentum : weapons / honor, distinction

ornate : splendidly, ornately, elegantly

ornatus : dress, attire, equipment, ornament, embellishment.

orno : to equip, furnish, supply / decorate, adorn

ornus : mountain ash

oro : to speak, argue, plead, orate, beg, entreat

orsa : orsorum : beginning, start, undertaking / first few words

orsus : a beginning, undertaking, initiative

ortus : -us, m, birth, origin, rising / origin, source

oryx : origis : gazelle, wild goat

oryza : rice

os : oris : mouth, opening, source / a mask

os : oris : face, countenance, sight / expression

os : ossis : (n) a bone

ostendo : show, reveal, present, make plain, declare.

ostendo : -ere-di sum, to show, to exhibit

ostium : entrance, door.

otium : free time, leisure, ease, peace, repose.

ovis ovis : sheep.