mad - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “mad”

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mad

adjective [-er/-est only]  us   /mæd/ (-dd-)

mad adjective [-er/-est only] (ANGRY)

angry or annoyed: I get so mad at her I sometimes start screaming.

mad adjective [-er/-est only] (NOT CONTROLLED)

(of an activity) wild, fast, or excited and not well controlled: We made a mad dash for the school bus.

mad adjective [-er/-est only] (ENTHUSIASTIC)

infml very enthusiastic and interested: Jeanne’s mad about old Woody Allen movies.

mad adjective [-er/-est only] (MENTALLY ILL)

mentally ill, or unable to behave in a reasonable way; insane : In his years as a prisoner of war, he often felt as if he might go mad.
(Definition of mad from the Cambridge Academic Content Dictionary © Cambridge University Press)
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