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

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

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.

flex (something) to bend, move or stretch an arm or a leg, or pull a muscle tight, 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 …

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.

3 ENTRIES FOUND: flex (verb) flex (noun) muscle (noun) 1 flex / ˈ flɛks/ verb flexes; flexed; flexing Britannica Dictionary definition of FLEX 1 [+ object]

When you flex something, you bend or contract it. To appear super tough, you might flex your archery bow while flexing your muscles.

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

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.

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