flexes;
flexed;
flexing
flexes;
flexed;
flexing
Britannica Dictionary definition of FLEX
1
[+ object]
a
:
to bend (a body part)
-
flexing a leg
-
flex your fingers
b
:
to move or tighten (a muscle)
flex your muscles
:
to show your strength or power
2
flex
/ˈflɛks/
noun
plural
flexes
plural
flexes
Britannica Dictionary definition of FLEX
[count]
British