: to fall suddenly straight down especially from a very high place
: to fall or drop suddenly in amount, value, etc.
What made you want to look up plummet? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes