Dictionary

blockbuster

noun, block·bust·er often attributive \ˈbläk-ˌbəs-tər\

: something that is very large, expensive, or successful

Full Definition of BLOCKBUSTER

1
:  a very large high-explosive bomb
2
:  one that is notably expensive, effective, successful, large, or extravagant
3
:  one who engages in blockbusting
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First Known Use of BLOCKBUSTER

1942

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