mad Meaning in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “mad” in the English Dictionary

"mad" in British English

See all translations

madadjective

uk   us   /mæd/ (madder or maddest)

mad adjective (MENTALLY ILL)

B1 mentallyill, 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?
More examples

mad adjective (SILLY)

B1 UK informal (US usually crazy) extremelysilly or ​stupid: [+ to infinitive] You're mad towalkhomealone at this ​time of ​night. He must be mad ​spending all that ​money on a ​coat. Some of the things she does are completely mad.
See also
More examples

mad adjective (ANGRY)

A2 [after verb] informal very ​angry or ​annoyed: He's always ​complaining and it makes me so mad.mainly US Are you still mad at me?UK Kerry got really mad with Richard for not doing the ​washing up.UK Bill's ​untidiness drives me mad.
More examples

mad adjective (HURRYING)

[before noun] UK hurrying or ​excited and not having ​time to ​think or ​plan: We made a mad dash for the ​train. I was in a mad panic/​rushtrying to get everything ​ready.

mad adjective (ENTHUSIASTIC)

be mad about sb/sth B1 informalUK to ​love someone or something: He's the first ​realboyfriend she's had and she's mad about him. He's mad about ​football.be mad for sb/sth UK informal to ​want someone or something very much, or to be very ​interested in someone or something: Everyone's mad for him and I just don't ​see the ​attraction.

-madsuffix

uk   us   /-mæd/ UK
car-mad, clothes-mad, sex-mad, etc. extremelyinterested in ​cars, ​clothes, ​sex, etc.: She's 16 and clothes-mad.
(Definition of mad from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"mad" in American English

See all translations

madadjective [-er/-est only]

 us   /mæd/ (-dd-)

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

angry or ​annoyed: I get so mad at her I sometimes ​startscreaming.

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 ​schoolbus.

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)

mentallyill, 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)
What is the pronunciation of mad?
Add Cambridge dictionaries to your browser to your website
Word of the Day

chestnut

a large tree with leaves divided into five parts and large round nuts that can be eaten

Word of the Day

In London but at the station: prepositions for talking about travel
In London but at the station: prepositions for talking about travel
by Liz Walter,
September 02, 2015
Several readers have asked for information on prepositions, so I will start with a blog post that looks at an area where they are really important: travel. The first thing to remember is that we use to (and not ‘in’) after the verb go: We are going to London. I went to

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More