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spoken used for answering that you think something is not true, although you are not completely certain
used for telling someone that you do not know the answer to their question when you are annoyed or surprised that they have asked you
used for telling someone that you know as little about something as they know
used as a way of saying that you do not know something
used for saying that you do not know the answer to a question, especially when you do not want to be helpful
used for showing that you think someone’s question is difficult to answer
used for saying in an annoyed way that you do not know something
used for emphasizing that you cannot remember or understand something at all
used when you do not understand what someone is talking about
used for saying that no one knows the answer to a particular question or knows what will happen in the future
in competitive cycling, the illegal use of motors on bikes in order to gain advantage over other riders
the long part of a golf course that you hit the ball along to get to the hole
be reversed; be as if it had never happened
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Free thesaurus definition of ways of saying that you do not know or understand from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.