- clue
- 1
noun (C)
1 an object or piece of information that helps someone solve a crime or mystery: He didn't know who had sent the letter, and the envelope provided no clue.(+ to/about): We now have a clue to the time at which the murder took place. | search for clues: Our search for clues proved fruitless.2 a question that you must solve in order to find the answer to a crossword or puzzle 2 (2): give sb a clue: I'll give you a clue, Kevin, it's a kind of bird.3 not have a clue informala) to know nothing at all about the answer to a question or about how to do something: -Do you know how to switch this thing off?--I'm afraid I haven't got a clue.- | not have a clue where/why etc: We haven't got a clue where they could have disappeared to.b) to be very stupid, or very bad at a particular activity: Myra just hits her kids when they start crying; she hasn't got a clue.(+ about): No point asking Jill, she hasn't got a clue about maths. | not have a clue how/why etc: Evans hasn't got a clue how to get on with people.4 a reason why something happens that you find by studying events, someone's behaviour etc: Childhood experiences may provide a clue as to why some adults develop phobias.2 verb clue sb in phrasal verb (T) informal to give someone information about something: Mark clued me in on how the computer system works.
Longman dictionary of contemporary English. 2004.