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Definition of gangbuster

gangbuster

/ˈɡæŋˌbʌs.tɚ/
gang · bus · ter

Plural:gangbusters
•
Adjective:gangbuster
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gangbuster Lexical Profile

gangbuster Game Scores & Validity

• noun

1

North American Something that isoutstandingly energetic, forceful, or successful (usually used in the plural in the phrase "like gangbusters").

Example

"The new software product has been selling like gangbusters since its launch last week."


2

North American A law enforcement officer or prosecutor who aggressively investigates and breaks up criminal gangs.

Example

"The newly appointed district attorney quickly earned a reputation as a fearless gangbuster."

Synonyms
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Antonyms
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• adjective

1

North American Remarkably energetic, thriving, or wildly successful.

Example

"The retail store is enjoying a gangbuster holiday season with record-breaking sales."

Synonyms
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Antonyms
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Word Nuance & Usage

The word is most frequently encountered in its plural form, "gangbusters," particularly in the informal idiom "like gangbusters" (meaning with great energy or success).

Word Origin & Etymology

Coined in 1930s American English from "gang" and "buster," popularized by the dramatic 1935 radio crime drama "Gang Busters," which opened with loud sirens, whistles, and sound effects.

Cite this Entry


Wordmom. (2026). Definition of Gangbuster. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/gangbuster
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