- hic, haec, hoc: "this, this here"; paired with ille, "the latter". ille, illa, illud: "that, the former", also "that famous": quod ille ait "as the poet says".
- iste, ista, istud: "that (near you), that … of yours", often scornful: carnes istas "this flesh of yours". Gataker also uses ista simply for "these things".
- is, ea, id (pl. ii or ei): unemphatic "he, she, it, that", often the antecedent of qui: is qui "he who"
- ipse, ipsa, ipsum: "himself, itself, the very", for emphasis: ipsum mori "dying itself", in ipsius arbitrio "in his own power". idem, eadem, idem (acc. eundem, eandem; abl. eodem): "the same".
The genitive singular ends in -ius (illius, ipsius; hujus, ejus, ejusdem) and the dative in -i (illi, ei, huic) in all genders, so illi can be dative singular as well as nominative plural.