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.

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.

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 …

Jun 26, 2023 · While flexing your muscles may not give you the results you were hoping for, it is still a good way to improve your fitness levels. This article will explain what flexing is and how …

5 days ago · The question of whether flexing a muscle works it out is a common one, often debated among fitness enthusiasts and casual gym-goers alike. Flexing, or tensing a muscle …

In modern slang, flexing has expanded to include showing off wealth, achievements, or anything someone is proud of. It has become a common term in social media and pop culture to …

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