expression

/ɪkˈsprɛʃən/
noun
  1. The act of showing a feeling, opinion, or idea through words, actions, or art.
    • Her face was an expression of pure joy when she saw the surprise.
    • Music is a powerful form of emotional expression.
    • Freedom of expression is a fundamental right in many countries.
  2. A word or phrase used in a particular way or context.
    • She used an old-fashioned expression that her grandmother often said.
    • The expression "time flies" means that time passes quickly.
    • "Break a leg" is a common expression used to wish someone good luck.
  3. A look on someone's face that shows their feelings.
    • He had a puzzled expression as he read the instructions.
    • The teacher's stern expression made the students quiet down.
    • Her expression changed from surprise to delight.
  4. A mathematical symbol or group of symbols representing a value.
    • In the expression 5², the exponent is 2.
    • Simplify the algebraic expression by combining like terms.
    • The expression 2x + 3 equals 11 when x is 4.
Synonyms