Flex Meaning

/flɛks/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

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nounFlexibility, pliancy.

nounAn act of flexing.

Workout challenges include the plank challenge, the 100 skipping challenge and the flex challenge.
He gave his biceps a flex to impress the ladies.
Synonyms:
Antonyms:
CEFR Practice Quiz
To show his strength, the bodybuilder began to ____ his powerful arm muscles.
CEFR Practice Quiz (Alternate)
You should ____ your muscles gently before starting a heavy workout to prevent any sudden injury.

From Latin flexus, past participle of flecto (“to bend”).

"The hills become more rounded. The slopes are either the stooped shoulders of an aging colossus or the muscular flexes of a geologic youngster, but they are pleasant, comforting. This landscape is what most would think of […]" — 2002, Gary Noy, Red Dirt: A Journey of Discovery in the Landscape of Imagination, California's Gold Country, iUniverse, →ISBN, page 144:
"The books lent her by Dr Grimble on period furniture and ceramics interested her deeply, and she studied them at night in the silence of the shop, where she had a flex and a reading lamp installed at her own expense." — 1950, Norman Lindsay, Dust or Polish?, Sydney: Angus and Robertson, page 57:
"Flex is quick and cheaper to install than metallic systems, but it yields higher pressure loss than other types of ducts and requires runs of less than 15 feet, minimal turns and elimination of kinks." — 2010, Aaron Lubeck, Green Restorations: Sustainable Building and Historic Homes, page 221:
"He rubbed his hands together. "Believe it or not, there was a time when I considered giving acting a go. What do you think, Miss Fox?" He flexed impressive biceps. "Would I have had a chance against the Schwarzeneggers and the Chuck Norris types?"" — 1994, Elise Title, Body Heat, page 189:
"I've got billions and billions of rhymes to flex / 'Cause I've got more rhymes than Carl Sagan's got turtlenecks" — 2004, “Hey Fuck You”, in To the 5 Boroughs, performed by Beastie Boys:

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CEFR Practice Quiz
To show his strength, the bodybuilder began to ____ his powerful arm muscles.
CEFR Practice Quiz (Alternate)
You should ____ your muscles gently before starting a heavy workout to prevent any sudden injury.

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