thumbs-up

[ thuhmz-uhp ]

noun

, Informal.

1. an act, instance, or gesture of assent, approval, or the like.

thumbs up

1. Expressions of approval and disapproval respectively: “The two critics disagreed about the movie; one gave it thumbs up, the other thumbs down.” In the gladiatorial contests of ancient Rome , a thumbs-up gesture from the crowd meant that the loser would live; thumbs down meant death.

Word History and Origins

Origin of thumbs-up¹

First recorded in 1920–25

Idioms and Phrases

An expression of approval or hopefulness, as in The town said thumbs up on building the elderly housing project . The antonym thumbs down indicates disapproval or rejection, as in Mother gave us thumbs down on serving beer at our party . Alluding to crowd signals used in Roman amphitheaters, these idioms were first recorded in English about 1600. In ancient times the meaning of the gestures was opposite that of today. Thumbs down indicated approval; thumbs up, rejection. Exactly when the reversal occurred is not known, but the present conventions were established by the early 1900s.

Example Sentences

“Pa ‘delante,” she said, offering a thumbs-up.

From Los Angeles Times

Adams gave a thumbs-up to reporters as he entered court on Friday morning.

From BBC

The president gave her a thumbs-up and said he'd like to meet her after the show concluded.

From Salon

So they wrote it into the ballot language, and the state Supreme Court gave them the thumbs-up.

From Slate

Trump also posed above the grave of a US Marine, grinning while giving a thumbs-up in the photograph.

From Salon