English

Alternative forms

• thumbs up

Noun

thumbs-up ‎(plural thumbs-up)

1. A sign of approval.

Antonyms

• thumbs-down

Verb

thumbs-up ‎(third-person singular simple present thumbs-ups, present participle thumbs-upping, simple past and past participle thumbs-upped)

1. To approve with a thumbs-up sign.
   • 2015, Anne Wagener, Borrow-A-Bridesmaid

     He stood outside the dressing room and thumbs-upped or thumbs-downed each choice.

Antonyms

• thumbs-down