simple past tense and past participle of have a clue

(colloquial) To be knowledgeable about a topic or situation.

(informal, humorous, figuratively) A notional weapon used to knock sense into the clueless.

Alternative form of clue-by-four

plural of clue-by-four

present participle of have a clue

plural of clue stick

(travel, aviation) A printed card with basic entries listed for a global distribution system. / A card containing a clue.

plural of clue card

plural of clue by four