Definition of mega
- a mega electronics store
- a number one hit made her mega
an actor who has become a mega celebrity
I will never understand why people build those mega houses on tiny lots.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mega.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1968See Words from the same year
: great : large
: million : multiplied by one million
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