Synonyms of nosedive

Noun

1. nosedive, decline, diminution

usage: a sudden sharp drop or rapid decline; "the stock took a nosedive"

2. dive, nose dive, nosedive, descent

usage: a steep nose-down descent by an aircraft

Verb

1. nosedive, dive, plunge, plunk

usage: plunge nose first; drop with the nose or front first, of aircraft

Definition and meaning of nosedive (Dictionary)