flex one's muscles

verb

To tense and bend one's flexor muscles.

Meanings

verbflex one's muscles (third-person singular simple present flexes one's muscles, present participle flexing one's muscles, simple past and past participle flexed one's muscles)

present singular third person flexes one's muscles · participle present flexing one's muscles · participle past flexed one's muscles · past flexed one's muscles

  1. literallyTo tense and bend one's flexor muscles.
  2. figurativelyTo show off one's strength or skills.

    Gomez's goals were his 10th and 11th of the season but only Hart's excellence prevented that total being extended, as the four-time European Cup winners flexed their muscles.

    2011 September 27, Alistair Magowan, “Bayern Munich 2 - 0 Man City”, in BBC Sport
    1 more example

    But at a time of a growing perception in the West that China is flexing its muscles [...], countries closer to China’s shores also worry that it might be getting more assertive.

    2010 January 21, “Choppy waters”, in The Economist

Translations

Chinese Mandarin 秀肌肉
  • 秀肌肉 (xiù jīròu)to tense and bend one's flexor muscles
Finnish verrytellä, pullistella
  • verrytelläto tense and bend one's flexor muscles
  • pullistellato tense and bend one's flexor muscles
  • pullistellato make a show of strength
German Muskeln spielen lassen
  • Muskeln spielen lassento make a show of strength
Polish prężyć muskuły, prężyć muskuły
  • prężyć muskułyto tense and bend one's flexor muscles
  • prężyć muskułyto make a show of strength
Russian напряга́ть му́скулы, изгиба́ть мы́шцы
  • напряга́ть му́скулы (naprjagátʹ múskuly)to tense and bend one's flexor muscles
  • изгиба́ть мы́шцы (izgibátʹ mýšcy)to tense and bend one's flexor muscles
  • игра́ть му́скулами (igrátʹ múskulami)to make a show of strength
  • демонстри́ровать си́лу (demonstrírovatʹ sílu)to make a show of strength
Cite this entry
APA

flex one's muscles. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/flex%20one's%20muscles

MLA

“flex one's muscles.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flex%20one's%20muscles. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “flex one's muscles,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/flex%20one's%20muscles.

Source: flex one's muscles on Wiktionary, CC BY-SA 4.0.