Definition of flex
- an exaggerated need to flex his political muscles
- —J. P. Lash
He flexed the muscles of his right arm.
a material that flexes easily
First Known Use: circa 1521See Words from the same year
First Known Use: 1905See Words from the same year
What made you want to look up flex? Please tell us where you read or heard it (including the quote, if possible).
a blind with adjustable horizontal slats
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