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Definition of megabuck

megabuck

/ˈmɛɡ.əˌbʌk/
meg · a · buck
Plural:megabucks
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megabuck Lexical Profile

megabuck Game Scores & Validity

• adjective

1

North American Costing, involving, or worth a very large amount of money; multi-million-dollar.

Example

"The studio signed the director to a megabuck contract after the unexpected box-office success of her debut film."

Synonyms
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Antonyms
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• noun

1

North American One million dollars, or (especially in the plural) a very large sum of money.

Example

"The tech startup raised several megabucks in venture capital to expand its software platform."

Synonyms
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Antonyms
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• Nearby Words

meetup
mega
megabit
megabuck
megabucks
megabyte
megachurch

Word Origin & Etymology

Coined in the mid-20th century in the United States—originally among atomic physicists estimating large research budgets—by combining the metric prefix 'mega-' (meaning 'one million') with 'buck', an informal term for a dollar.

Cite this Entry

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