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Definition of buster

buster

/ˈbʌs.tɚ/
bus · ter

Plural:busters
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buster Lexical Profile

buster Game Scores & Validity

• noun

1

A person or thing that breaks, defeats, or eliminates a specified thing (typically used in combination).

Example

"A brisk walk outdoors is an effective stress buster during a busy workday."


2

North American An informal, often mildly confrontational or playful term of address for a man or boy.

Example

"Hold on a minute, buster—you can't just skip to the front of the line."


3

Australian A sudden, violent, cold southerly gale occurring along the southeastern coast of Australia, typically following a period of intense heat.

Example

"A southerly buster swept across Sydney Harbour in the late afternoon, bringing a rapid drop in temperature."

Synonyms
View all synonyms for buster

• Rhymes for buster

Word Origin & Etymology

First recorded in the early 19th century as an American English alteration of 'burster', formed from the dialectal verb 'bust' (from 'burst') and the agentive suffix '-er'.

Cite this Entry


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