nose dive

Definition of Nose Dive in English :

1. dive, nose dive, nosedive

a steep nose-down descent by an aircraft

WordNet Lexical Database for English. Princeton University. 2010.

Nose Dive

noun

1.

a sudden plunge with the nose or front pointing downwards, esp of an aircraft

2. informal

a sudden drop or sharp decline

prices took a nose dive

verb nose-dive

3.

to perform or cause to perform a nose dive

4. (intransitive) informal

to drop suddenly

1.

a swift, steep downward plunge of an airplane, with the nose toward the earth

2.

any sudden, sharp drop, as in profits

intr.v. nose-dived or nose-dove (-dōv′), nose-dived, nose-div·ing, nose-dives

To perform a nosedive.

n.

1. A very steep dive of an aircraft.

2. A sudden, swift drop or plunge: Stock prices took a nosedive.