American Dictionary

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Definition plummet in American English

plummet verb

[intransitive] verb
/ˈplʌmɪt/
1

to fall straight down very quickly from a high position

Synonyms and related words
2

if something such as an amount, rate, or value plummets, it suddenly becomes much lower

Example

Stock prices plummeted today to a three-month low.

Example

Support for the war has plummeted since the beginning of the year.

Synonyms and related words
Definition plummet in American English