(with dative) in, inside, within, at (inside a building) / (with dative) in (pertaining to) / (with dative) in, at, by (at the end of or during a period of time) / (with accusative) into, to (going inside (of))

(dated) Contraction of in den.

in, popular (in fashion)

(rare) in, into

(rarely productive, only with Latinate stems) in, into

(rarely productive, only with Latinate stems) in-, un- (indicates negation)

creates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables; (dated) names the wife of a person / creates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables; (dated) creates female personal names (for wives and daughters)

(chemistry) -yne; -ine

in flagrante delicto

(law) effective, in force