English version

lunatic

From Longman Dictionary of Contemporary Englishlunaticlu‧na‧tic /ˈluːnətɪk/ noun [countable]  1 CRAZYsomeone who behaves in a crazy or very stupid way – often used humorously This hotel is run by a lunatic!2 old-fashionedMENTALLY ILL a very offensive word for someone who is mentally ill a dangerous lunatic3 the lunatic fringelunatic adjective [only before noun] lunatic behaviour
Examples from the Corpus
lunaticThe boy and girl probably thought he was a lunatic.Some lunatic came into the store and shot him.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.