lunatic
noun /ˈluːnətɪk/
/ˈluːnətɪk/
- a person who does crazy things that are often dangerous synonym maniac
- This lunatic in a white van pulled out right in front of me!
Oxford Collocations Dictionaryadjective- complete
- raving
- crazed
- …
- asylum
- (old-fashioned) a person who is severely mentally ill (the use of this word is now offensive)Oxford Collocations Dictionaryadjective
- complete
- raving
- crazed
- …
- asylum
Word OriginOriginally from the Latin lunaticus (luna = moon), because people believed that the changes in the moon made people go mad temporarily.