clue

Universal Words noun, verb noun 1 ~ (to sth) an object, a piece of evidence or some information that helps the police solve a crime: The police think the videotape may hold some vital clues to the identity of the killer. 2 ~ (to sth) a fact or a piece of evidence that helps you discover the answer to a problem: Diet may hold the clue to the causes of migraine. 3 some words or a piece of information that helps you find the answers to a CROSSWORD, a game or a question: 'You'll never guess who I saw today!' 'Give me a clue.' IDIOMS not have a clue (informal) 1 to know nothing about sth or about how to do sth: I don't have a clue where she lives. 2 (disapproving) to be very stupid: Don't ask him to do it-he doesn't have a clue! verb PHRASALVERBS clue sb in (on sth) (informal) to give sb the most recent information about sth: He's just clued me in on the latest developments.