infra dignitatem (L.), below one's dignity.
ingénu, ingénue (Fr.), a young man or woman of exceptional simplicity.
in gremio (Late L), in the bosom.
in hoc signo vinces (L.), in this sign thou wilt conquer—i.e. in the Cross [the motto of Constantine the Great].
in limine (L.), on the threshold.
in loco parentis (L.), in the place of a parent.
in magnis et voluisse sat est (L.), in great things even to have wished to try is enough.
in malem partem (L.), in an unfavourable manner.
in medias res (L.), into the midst of things.
in memoriam (L.), to the memory of: in memory.