English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

buster

BUHS-tuh
noun
1
A person or thing that breaks, destroys, or gets rid of something specified (often as the second half of a compound word).
"The company markets itself as a "myth buster," debunking bad science."
"He's a real stress-buster to have around the office."
2
An informal, friendly form of address for a man, similar to "buddy" or "pal."
"Take it easy, buster."

How to Use Buster

Learner’s notes

In plain EnglishSomething that smashes or eliminates a specific thing (crime-buster, ghostbuster), or a casual way to address a man.

Common pairings
ghostbuster crime buster listen here, buster

Word Forms

busters plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “buster” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

The company markets itself as a "myth _____," debunking bad science.

Etymology

Originally a dialect form of "burster," later shaped by association with the verb bust. The "-buster" ending became especially popular after radio's Gang Busters and the film Ghostbusters.

Rhymes for buster

See all rhymes for buster →
Definitions: FreeDict original editorial