(with reference to a limb or joint) bend or become bent

she saw him flex his ankle and wince

it's important to prevent the damaged wrist from flexing

put a (skill, talent, or ability) to use

the talks were seen as a way for Merkel to flex her well-known diplomatic prowess

the action or state of flexing

add rigidity and eliminate brake flex

a boastful statement or display

ridiculous flexes of exorbitant wealth

a sing-songy verse full of flexes and threats

a flexible insulated cable used for carrying electric current to an appliance