nose dive
Britishnoun
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a sudden plunge with the nose or front pointing downwards, esp of an aircraft
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informal a sudden drop or sharp decline
prices took a nose dive
verb
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to perform or cause to perform a nose dive
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informal (intr) to drop suddenly
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.