nosedive

[ nohz-dahyv ]
/ ˈnoʊzˌdaɪv /

noun Also nose dive.

a plunge of an aircraft with the forward part pointing downward.
a sudden sharp drop or rapid decline: a time when market values were in a nosedive.

verb (used without object), nose·dived or nose·dove, nose·dived, nose·div·ing. Also nose-dive.

to go into a nosedive: a warning that prices might nosedive.

Origin of nosedive

First recorded in 1910–15; nose + dive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nose dive

nose dive


noun

a sudden plunge with the nose or front pointing downwards, esp of an aircraft
informal a sudden drop or sharp declineprices took a nose dive

verb nose-dive

to perform or cause to perform a nose dive
(intr) informal to drop suddenly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012