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to behave in a childish or unreasonable manner
to be/become crazy or confused
to start behaving in a strange or silly way
to start behaving in a way that is not sensible or reasonable
to become crazy because you are so bored, upset etc
to be slightly crazy
to be becoming silly or slightly crazy
to seem to be crazy or to be doing stupid things
to become crazy
… a language for human communication which has been invented and has not developed naturally
the amount of money that a business makes or loses
spectacles; boiled sweets, candy; soft aniseed-flavoured jelly sweets coated with blue and pink sugar sprinkles
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Free thesaurus definition of to be or to become crazy or stupid from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.