puzzlingsign

noun
UK /ˈpʌz.lɪŋ.saɪn/
US /ˈpʌz.lɪŋ.saɪn/

A puzzlingsign is a clue that makes you think hard.

The strange footprint was a puzzlingsign that led us to the hidden cave.


OTHER MEANINGS

2. A written or drawn symbol whose meaning is not clear at first.

The old map had a puzzlingsign near the river.

3. A small signal that something secret is nearby.

She noticed a puzzlingsign on the door and knocked twice.

4. A word or phrase used in a game to make players guess.

The host gave a puzzlingsign, and the team shouted the answer.