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Definition of mad

mad

/mæd/
mad

Adverb:madly
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mad Lexical Profile

mad Game Scores & Validity

• adjective

1

North American Feeling or showing strong annoyance, displeasure, or hostility; angry.

Example

"She was completely mad at him for breaking the antique vase."


2

British Mentally ill; highly foolish, irrational, or detached from reality.

Example

"He must be absolutely mad to spend his life savings on such a dilapidated car."


3

Carried away by intense enthusiasm, desire, or infatuation; extremely fond of something.

Example

"Both of my brothers are completely mad about football and never miss a match."

Synonyms
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Antonyms
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Word Nuance & Usage

In American English, 'mad' most frequently means angry, whereas in British English it more commonly denotes insanity, foolishness, or wild enthusiasm, though all meanings are widely understood across regions.

• Rhymes for mad

Word Origin & Etymology

From Old English 'gemǣd' (insane) and 'mǣdan' (to drive mad), originating from the Proto-Germanic root '*gamaidaz' meaning 'changed, crippled, or abnormal'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Mad. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mad
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