flex 1 of 3 verb ˈfleks flexed; flexing; flexes transitive verb 1 : to bend especially repeatedly

Idiom flex your muscles (Definition of flexing from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

1. Chiefly British Flexible insulated electric cord. 2. The act or an instance of flexing; a bending. 3. Flexibility: a schedule with a lot of flex.

to bend, move, or stretch an arm or a leg, or contract a muscle, especially in order to prepare for a physical activity to flex your fingers/feet/legs He stood on the side of the pool flexing his muscles.

Jul 19, 2025 · Flexing your muscles isn’t just about looking good; it can also boost your mental and physical health by treating headaches, high blood pressure, digestive problems, and more.

• I just hoped that all that flexing and twisting of the hull would not burst the 3,000 rattan lashings. • She watched him raise one hand to rub the nape of his neck, then flex his shoulder muscles.

Nov 25, 2025 · Discover the science behind muscle flexing, its mechanics, benefits, and how it enhances strength, tone, and overall fitness effectively.

Sep 15, 2025 · Are you looking to build muscle? Check out our how-to guide for tips on flexing your muscles and building mass.

flex on to brag or show off to; assert one’s dominance or superiority over. She’s flexing on her haters by posting new photos of her beautiful family.

First, straighten your legs, then flex your feet. He tried to impress me by flexing his huge muscles.