Word
mad
US/ˈmæd/
UK/mˈæd/
Definitions
01angry
A2 · Elementary American English · Informal
adj. feeling or showing anger towards someone or something.
adj. feeling or showing strong annoyance, displeasure, or hostility. Predominantly used in North American English in this sense.
“Are you still mad at me for forgetting your birthday?”
“The customers were getting mad about the long delays, eventually demanding to speak with the floor manager.”
Pitfall
He was mad to me because I was late.
He was mad at me because I was late.
When you are angry with a person, use the preposition 'at' or 'with', not 'to'.
02mentally ill
B1 · Intermediate Medicine British English
adj. having a mind that does not work correctly; mentally ill.
adj. suffering from a mental disorder; insane. While common in British English, it is often considered dated or insensitive in clinical contexts.
“In the old story, the king went mad and started talking to the trees.”
“Victorian literature often featured characters who were driven mad by isolation or tragic secrets.”
Synonyms
03foolish or unwise
B1 · Intermediate
adj. extremely silly, stupid, or dangerous.
adj. extremely foolish, irrational, or imprudent; showing a lack of good judgement.
日本語:無謀※
“It would be mad to drive through the mountains during a blizzard.”
“The CEO admitted it was a mad scheme that should never have received funding from the board.”
Synonyms
04enthusiastic
B1 · Intermediate Informal
adj. liking something or someone very much.
adj. extremely enthusiastic about or fond of something; often used in the phrase 'mad about'.
“My brother is mad about football and watches every single game.”
“She has been mad about jazz since she first heard a live quartet in New Orleans.”
Synonyms
Antonyms
05very or extremely
C1 · Advanced Slang · Dialect
adv. used to mean 'very' or 'extremely' to emphasize something.
adv. used as an intensifier to a large degree. Common in specific urban dialects, particularly in New York and parts of the UK.
“That new movie was mad expensive to make, but it looks amazing.”
“The concert was mad loud, and my ears were ringing for hours afterward.”
Collocations
Common phrases and expressions where native English speakers use the word “mad” in context.
Verb
01. drive someone mad
“That constant clicking sound is driving me mad!”
verb + noun + adj
02. get mad at
“Please don't get mad at me for being late; the traffic was terrible.”
verb + adj + prep
03. go mad
“The crowd went mad when the singer finally walked onto the stage.”
verb + adj
Adjective
04. hopping mad
“My boss was hopping mad when he found out we lost the client.”
adv + adj
05. mad about football
“My younger brother is absolutely mad about football and never misses a game.”
adj + prep + noun
Preposition
06. like mad
“We had to run like mad to catch the last train home.”
prep + noun
Word family
NOUN
ADJECTIVE
ADVERB
Idioms
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
- Frequency
- Common
- Level
- B1 · IntermediateOxford
- Updated
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QR code
englishreference.com/q/mad
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0