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

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

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

Aug 27, 2019 · Flexing your muscles can build strength by keeping them still while they face resistance. Learn more about the pros and cons of muscle flexing, and examples of exercises …

May 1, 2023 · Flexing your muscles can build them, but it’s most effective when smartly inserted into a well-designed training plan. Here’s how to do it.

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.

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.

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

Sep 24, 2025 · Flexing your muscles is a great way to show off your gym gains, but did you know it can also be a workout in itself? That's right—flexing your muscles can actually make them …