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See more synonyms for thumbs-up on Thesaurus.com
noun Informal.
  1. an act, instance, or gesture of assent, approval, or the like.
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Origin of thumbs-up

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thumbs-up

Contemporary Examples

Historical Examples

  • Nelda was at the wheel, and Gladys, beside her on the front seat, raised a white-gloved hand in the thumbs-up salute.

    Murder in the Gunroom

    Henry Beam Piper