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a law-enforcement officer who specializes in breaking up organized crime, often by forceful or sensational means.
someone or something having great impact, usually in a positive way.
an outstandingly successful state or situation:
We aren't looking for gangbusters, but we'd like you to pass all your subjects this semester.
of or like a law-enforcement officer who uses rough, aggressive, or sensational tactics in fighting crime:
The undercover agents avoided the gangbusters approach.
strikingly effective or successful:
a gangbusters year for compact cars.
I'm not gangbusters over the idea.
to be extremely successful:
The movie went gangbusters.
with great speed, intensity, vigor, impact, or success:
The software market was growing like gangbusters. The hockey team came on at the beginning of the season like gangbusters.
Based on the Random House Dictionary, © Random House, Inc. 2017.
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