(dated) Contraction of in den.

(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))

in, popular (in fashion)

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

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

(rare) in, into

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

in fact (actually, in truth)

(somewhat informal, generally with haben) in store; in reserve; up one's sleeve