Definition of sonic

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  • sonic is a valid Scrabble US word with a point value of 7
  • sonic is a valid Scrabble UK word with a point value of 7
  • sonic is a valid Words with friends word with a point value of 9

Definition of sonic

  • (of speed) having or caused by speed approximately equal to that of sound in air at sea level (adjective)

    Examples

    1. a sonic boom

    Synonyms

    1. transonic
  • relating to audible sound (adjective)

    Examples

    1. a sonic wave

See definition of sonic in Merriam Webster