Something or someone that breaks, destroys, or stops something else; also, something very impressive or successful.
From the verb 'bust' (to break or burst) plus the agent suffix '-er' (one who does). The word became popular in American slang in the 1800s and gained multiple meanings over time.
Ghostbusters, blockbuster, myth-buster—the suffix '-buster' became so popular that it's now one of our most productive word-forming tools, letting us instantly describe anything that defeats something else.
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