Definition of


  1. (noun, act) the act of flexing
  2. (verb, motion) contract
  3. (verb, perception) exhibit the strength of
  4. (verb, motion) form a curve
  5. (verb, contact) bend a joint
    bend your knees
  6. (verb, contact) cause (a plastic object) to assume a crooked or angular form
    twist the dough into a braid
    the strong man could turn an iron bar

via WordNet, Princeton University

Synonyms of Flex

bend, deform, turn, twist

Origin of the word Flex

  1. 1520s, probably a back formation from flexibility. Related: Flexed; flexing. more

via Online Etymology Dictionary, ©2001 Douglas Harper

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Jerboa Rat

large Australian rat with hind legs adapted for leaping