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mad
adjective (MENTALLY ILL) /mæd/ (madder or maddest)Definition
B1 mentally ill, or unable to behave in a reasonable way: I think I must be going mad. Do I look like some mad old woman in this hat? → Compare insane adjectiveOf unsound mindStupid and silly
(Definition of mad adjective (MENTALLY ILL) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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SMART Thesaurus: Of unsound mind
Synonyms and related words:
- (as) mad as a hatter/March hare idiom
- be (as) nutty as a fruitcake idiom
- be crazy about sb/sth idiom
- crackers adjective
- demented adjective
- deranged adjective
- disturbed adjective
- flaky adjective (PERSON)
- gaga adjective (MENTALLY UNCLEAR)
- have bats in the belfry idiom
- institutionalized adjective
- like a man/woman possessed idiom
- madness noun (MENTAL ILLNESS)
- maniac noun (MENTALLY ILL)
- mixed up adjective
- off your rocker idiom
- off your trolley idiom
- psychopath noun
- take leave of your senses idiom
- wreck noun
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