mad
Translation
angry, insane, crazy
Examples
She was mad at him for being late.
She was mad at him for being late.
You must be mad to go swimming in this weather.
You must be crazy to go swimming in this weather.
He's mad about football.
He's crazy about football.
It was a mad dash to the airport.
It was a mad dash to the airport.
Grammar Patterns
to be mad at ((sb.)) ((for sth./-ing)) to be angry with (sb.) She was mad at him for being late.
to be mad to ((to-inf)) to be foolish to do (sth.) You must be mad to go swimming in this weather.
to be mad about ((sth.)) to be very enthusiastic about (sth.) He's mad about football.
Similar Words
Etymology
From Old English 'gemædde', meaning 'insane' or 'out of one's mind'.
Memory Tips
While 'mad' can mean 'insane' in US English, it's most frequently used to mean 'angry'. The word 'crazy' is more common for the 'insane' or 'enthusiastic' meanings.