obtempero, -āre, -āvi, -ātum, v. n., with dat., hearken to, obey.
obtestor, -āri, -ātus sum, v. dep. a., call to witness, swear by.
obtingo, -ere, obtigi, no sup., v. n., with dat., fall to the lot of.
obtrecto, -āre, -āvi, -ātum, v. a., carp at, criticize.
obtūsus, -a, -um, partic. obtundo, blunt.
obviam, adv., in the way, with dat.
obvius, -a, -um, adj., facing, in the way of, with dat.
obvolvo, -ere, -vi, -ūtum, v. a., wrap, conceal.
occāsio, -ōnis, f., opportunity, fit time.
occīdo, -ere, -di, -sum, v. a., kill.
occulto, -āre, -āvi, -ātum, v. a., hide.
occupo, -āre, -āvi, -ātum, v. a., occupy, seize.
occurro, -ere, -i, -sum, v. n., with dat., meet.
ōcius, adv., quickly.
octo, num. adj., indecl., eight.
oculus, -i, m., eye.
odiōsus, -a, -um, adj., hateful.
offendo, -ere, -di, -sum, v. a., hit upon, find.
offensio, -ōnis, f., failure.
officīna, -ae, f., workshop.
officio, -ere, -fēci, -fectum, v. n., with dat., hinder.
oleārius, -a, -um, adj., of oil.
oleum, -i, n., olive oil.
ōlim, adv., long ago.
omitto, -ere, omīsi, omissum, v. a., leave out, give up.
omnīno, adv., altogether.
omnis, -e, adj., all.
onus, -eris, n., burden.
opera, -ae, f., work, care; in plur., work people.
opīnio, -ōnis, f., opinion.
opīnor, -āri, -ātus sum, v. dep. n., think.
oportet, -uit, v. impers. n., it is right.
oppidum, -i, n., town.
opsōnium, -i, n., relish, meat.
opto, -āre, -āvi, -ātum, v. a., desire, pray for.
opus, -eris, n., need, work.
ōra, -ae, f., shore.
ōrāculum, -i, n., oracle.
ōrātor, -ōris, m., spokesman, orator.
orbis, -is, m., circle; o. terrārum, world.
ordior, -īri, orsus sum, v. dep. a., begin, relate, set out.
ordo, -inis, m., row.
organum, -i. n., implement.
ornāmentum, -i, n., adornment.
orno, -āre, -āvi, -ātum, v. a., adorn.
ōro, -āre, -āvi, -ātum, v. a., beg for.
ōs, ōris, n., mouth, face.
oscito, -āre, -āvi, -ātum, v. n., yawn.
osculor, -āri, -ātus sum, v. dep. a., kiss.
osculum, -i, n., kiss.
ostendo, -ere, -i, -sum or -tum, v. a., show.
ostento, -āre, -āvi, -ātum, v. a., show.
ōtiōsus, -a, -um, adj., at rest.
ōtium, -ii, n., rest, ease, idleness.
ovīle, -is, n., sheep-fold.
ōvum, -ī, n., egg.
pābulum, -i, n., food.