sweaterPronunciation: /ˈswɛtə/Translate sweater | into French | into German | into Italian | into Spanish Definition of sweater noun 1a knitted garment worn on the upper body, typically with long sleeves, put on over the head: a close-knit wool sweater for icy weather 2 dated an employer who works employees hard in poor conditions for low pay. sweater in other Oxford dictionaries Definition of sweater in the US English dictionary