Answer: trebled

AnswerCrossword Clue
TREBLEDMore than doubled
TREBLEDIncreased by 200%
TREBLEDBecame threefold.
TREBLEDMultiplied by a certain number.
TREBLEDIncreased threefold
TREBLEDIncreased by 200 percent
trebledto triple
trebledTREBLE, to triple (to make three times as great)
trebledof the highest musical pitch or range
trebledtriple
trebledthe treble part, voice, or instrument