Answer: deflates

AnswerCrossword Clue
DEFLATESLowers the volume of, in a way
DEFLATESLessens in amount, as currency.
DEFLATESPunctures one's balloon.
DEFLATESDispirits
DEFLATESPunctures
DEFLATESLets the air out
deflatesDEFLATE, to release the air or gas from
deflatesto reduce in importance or size
deflatesto reduce (currency, prices, etc.) from an inflated condition
deflatesto release air or gas from