Mad changes meaning depending on the preposition that follows it.
Use mad at for anger toward someone, mad about for enthusiasm or concern, mad with for a strong emotional state, and mad for strong desire in informal English. Mad in is not a standard adjective pattern.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Mad at is common especially in American English for anger directed at someone.
Mad about can mean very enthusiastic or very upset about something.
Mad with is used with emotions such as rage, grief, or excitement.
Mad for is informal and means eager for or very fond of something.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
Mad in is not normally used after the adjective mad.
✕ He is mad in football. ✓ He is mad about football.Mad at names the target of anger. Mad with names the emotion causing the state.
✕ She was mad with her friend. ✓ She was mad at her friend.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Yes. British English often prefers angry with, though mad at is widely understood.
Yes. Context decides whether it means enthusiastic or upset.
No. It is mainly informal.
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