in (used to indicate space, also see usage notes) / to (indicates direction towards certain very large locations, see usage notes) / by (used to indicate means) / as / at (used to describe an ability) / of, made of (used to describe composition) / in (during the following time (used for months and years)) / while / by, in (describing a way of getting something) / in (used to describe color) / in (used to describe feelings) / in (as part of something)

Used as the object of a verb to indicate an indefinite quantity; of it, of them. Replaces the partitive article (du, de la, etc.) / Adverbial preposition indicating movement away from a place already mentioned; from there, from it. Replaces the phrase de là or d’ici.

en- (all meanings)

surrounded by light

on the way, on one's way, en route

en masse / in large amounts / in sufficient amounts

(dated) retired; in retirement

indeed

late, overdue / backward, unsophisticated

in passing; incidentally, by the way / en passant