flex

1
[ fleks ]
/ flɛks /

verb (used with object)

to bend, as a part of the body: He flexed his arms to show off his muscles.
to tighten (a muscle) by contraction.

verb (used without object)

to bend.

noun

the act of flexing.
British.
  1. any flexible, insulated electric cord; an electric cord or extension cord.
  2. Slang. an elastic band, as a garter.
Mathematics. an inflection point.

Nearby words

  1. fleury, andré hercule de,
  2. fleury, claude,
  3. flevoland,
  4. flew,
  5. flews,
  6. flex one's muscles,
  7. flex-,
  8. flex-fuel,
  9. flex-wing,
  10. flexagon

Origin of flex

1
1515–25; (adj.) < Latin flexus, past participle of flectere to bend, turn; (noun) < Latin flexus act of bending, equivalent to flect(ere) + -tus suffix of v. action

flex

2
[ fleks ]
/ flɛks /

adjective

Informal. flexible: a flex program of workers' benefits.

Origin of flex

2
shortening of flexible

flex-

a combining form representing flexible in compound words: flextime.
Also flexi-.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flex


British Dictionary definitions for flex

flex

/ (flɛks) /

noun

British a flexible insulated electric cable, used esp to connect appliances to mainsUS and Canadian name: cord
informal flexibility or pliability

verb

to bend or be benthe flexed his arm; his arm flexed
to contract (a muscle) or (of a muscle) to contract
(intr) to work according to flexitime
to test or display (one's authority or strength)

Word Origin for flex

C16: from Latin flexus bent, winding, from flectere to bend, bow

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for flex

flex

v.

1520s, probably a back-formation from flexible. Related: Flexed; flexing.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for flex

flex

[ flĕks ]

v.

To bend.
To contract a muscle.
To move a joint so that the parts it connects approach each other.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.