plunge

plunge verb uk/plʌndʒ/ us   plunge down/into, etc
to fall or move down very quickly and with force

броситься, ринуться вниз/в и т. д.
The car came off the road and plunge d down the hillside. He plunge d into the water.
[ I ] to become lower in temperature, value, etc very suddenly and quickly

резко падать
Temperatures plunge d below zero. Фразовые глаголы plunge sth into sth plunge sb/sth into sth plunge into sth

PLUNGE noun

[ C ] uk/plʌndʒ/ us
a sudden and quick decrease in the value, amount, or level of something

спад
Prices have taken a plunge (= suddenly become less).
Идиомыtake the plunge