Flex Definition

flĕks
flexed, flexes, flexing
verb
flexed, flexing
To bend (something pliant or elastic).
American Heritage
To bend (a joint).
American Heritage
To tense (a muscle) by contraction.
Webster's New World
To bend (a joint) repeatedly.
American Heritage
To bend (an arm, knee, etc.)
Webster's New World
Antonyms:
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noun
flexes
Flexible, insulated electric cord.
Webster's New World
The act or an instance of flexing; a bending.
American Heritage
Flexibility.
A schedule with a lot of flex.
American Heritage
The definition of a flex is a British term for an electrical wire that is bendable and has insulation.
An example of a flex is a twisted pair.
YourDictionary
(countable, geometry) A point of inflection.
Wiktionary
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other
A set of proprietary (Motorola) protocols for radio paging systems, FLEX largely has replaced POCSAG in the United States, and has become the de facto standard throughout most of the world, excepting Western Europe, where the ERMES standard is favored. FLEX solutions support duplex messaging and data transmission. FLEX supports as many as 5 billion addresses, with up to 600,000 supported per channel.The FLEX family of protocols includes the following.
Webster's New World Telecom
idiom
flex (one's) muscles
  • To exhibit or show off one's strength.
American Heritage

Other Word Forms of Flex

Noun

Singular:
flex
Plural:
flexes

Idioms, Phrasal Verbs Related to Flex

Origin of Flex

  • Latin flexus, past participle of flectere (“to bend”).

    From Wiktionary

  • Latin flectere flex- to bend

    From American Heritage Dictionary of the English Language, 5th Edition

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