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Noun: thumbs-up
  1. A signal to proceed
    - green light, go-ahead
     
  2. A sign of approval

Derived forms: thumbs-ups

Type of: robot [S.Africa], stoplight [N. Amer], traffic light, traffic signal

Encyclopedia: Thumbs-up

Nearest

thumb
thumb index
thumbed
thumbhole
thumbnail
thumbnut
thumbprint
thumbscrew
thumbs-down
thumbstall
thumbs-up
thumbtack
thump
thump out
thumper
thumping
Thunbergia
Thunbergia alata
thunder
Thunder Bay
thunder lizard