| A | B |
| ille, illa, illud | that; he, she, it |
| immānis, immānis, immāne | huge, monstrous, enormous, mighty, dreadful, cruel, atrocious |
| imperium, imper(i)ī n. | command, power, rule, realm |
| īmus, īma, īmum | lowest; bottom of |
| in (+abl.) | in, on, among |
| in (+acc.) | into, against, toward |
| īnfēlīx (īnfēlīcis) | unfortunate, accursed, unhappy, ill-omened, unlucky |
| īnferus, īnfera, īnferum | low, below, underneath |
| ingēns (ingentis) | enormous, mighty, huge |
| inter (+acc.) | between, among, during |
| ipse, ipsa, ipsum | himself, herself, itself; very |
| īra, īrae f. | wrath, anger, rage, passion |
| is, ea, id | he, she, it; this; that |
| Ītalia, Ītaliae f. | Italy |
| iam | now, already, finally, at once |
| iubeō, iubēre, iussī, iussus | to order, to command, to bid, to urge |
| Iūnō, Iūnōnis f. | Juno, queen of the gods |
| Iuppiter, Iovis m. | Jupiter, king of the gods |
| lābor, lābī, lāpsus | to slip, to glide, to slide |
| labōs/labor, labōris m. | labor, hardship, task |
| lacrima, lacrimae f. | tear, compassion |
| laetus, laeta, laetum | happy; fertile, fat, sleek |
| līmen, līminis n. | threshold, doorway, entrance; abode; shrine; palace |
| lītus, lītoris n. | shore, strand, coast, beach |
| locus, locī n. | place, region; condition, situation; opportunity |
| longus, longa, longum | long, distant |
| lūmen, lūminis n. | light, lamp; eye; life |
| lūx, lūcis f. | light, sun, day; life; glory |
| magnus, magna, magnum | great, large, huge, vast; noble, illustrious, mighty, important |
| maneō, manēre, mānsī, mānsūrus | to remain, to stay, to abide, to linger |
| manus, manūs f. | hand; band, troop |
| mare, maris n. | sea |
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