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flex

verb
\ˈfleks \
flexed; flexing; flexes

Definition of flex 

(Entry 1 of 3)

transitive verb

1 : to bend especially repeatedly

2a : to move muscles so as to cause flexion of (a joint)

b : to move or tense (a muscle) by contraction

3 : use, demonstrate flexing her skills as a singer

intransitive verb

: bend

flex one's muscles

: to demonstrate one's strength an exaggerated need to flex his political muscles— J. P. Lash

flex

noun (1)

Definition of flex (Entry 2 of 3)

chiefly British

: an electric cord

flex

noun (2)

Definition of flex (Entry 3 of 3)

: an act or instance of flexing

Examples of flex in a Sentence

Verb

 He flexed the muscles of his right arm. a material that flexes easily

First Known Use of flex

Verb

circa 1521, in the meaning defined at transitive sense 1

Noun (1)

1905, in the meaning defined above

Noun (2)

circa 1934, in the meaning defined above

History and Etymology for flex

Verb

borrowed from Latin flexus, past participle of flectere "to cause to go in a different direction, bend, curve," of uncertain origin

Noun (1)

short for flexible cord

Noun (2)

derivative of flex entry 1

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Dictionary Entries near flex

flewed

flewit

flews

flex

flexagon

flexatone

flex-crack

Statistics for flex

Look-up Popularity

Time Traveler for flex

The first known use of flex was circa 1521

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More Definitions for flex

flex

verb

English Language Learners Definition of flex

: to bend (a body part)

: to move or tighten (a muscle)

See the full definition for flex in the English Language Learners Dictionary

flex

verb
\ˈfleks \
flexed; flexing

Kids Definition of flex

1 : to bend especially again and again Can you flex your fingers?

2 : to move or tense (a muscle)

flex

transitive verb
\ˈfleks \

Medical Definition of flex 

1 : to bend especially repeatedly

2a : to move muscles so as to cause flexion of (a joint) stretching and flexing his knees

b : to move or tense (a muscle or muscles) by contraction flexed their biceps

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More from Merriam-Webster on flex

See words that rhyme with flex

Spanish Central: Translation of flex

Nglish: Translation of flex for Spanish Speakers

Britannica English: Translation of flex for Arabic Speakers

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