1. thumbtack

noun. a tack for attaching papers to a bulletin board or drawing board.


  • paper fastener
  • tack
  • drawing pin


  • disjoin
  • detach
  • unfasten

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2. thumbtack

verb. fasten with thumbtacks.

Sentences with thumbtack

1. Noun, singular or mass
Stick a thumbtack through the end of the yarn and into the wall to hang the record.

2. Verb, base form
To add items on a foam board you may glue, tape or even thumbtack them into place.