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expression

/ɪkˈspɹɛʃ.ən/ · ex·pres·sion
noun
  1. The action of expressing thoughts, ideas, feelings, etc. Her expression of gratitude warmed everyone's hearts.
  2. A particular way of phrasing an idea. The expression ‘time is money’ captures the value of efficiency.
  3. A colloquialism or idiom. The expression ‘break a leg’ is used to wish performers good luck.
Did you know? The theatrical expression ‘break a leg’ is believed to have originated from a superstition that wishing good luck directly would bring bad luck, so performers instead wish each other to ‘break a leg’ as a form of ironic good luck.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 13, 2026