The meaning of OVERSIZE is being of more than standard or ordinary size. How to use oversize in a sentence.

OVERSIZED definition: 1. bigger than the usual size: 2. bigger than usual: 3. too big: . Learn more.

Things that are bigger than usual are oversized, like the oversized luggage that won't fit in the airplane's overhead compartment.

adjective enormous, large, giant, massive, vast, immense, jumbo (informal), gigantic, colossal, extra-large, ginormous (informal), humongous or humungous (U.S. slang) An oversized bed dominated the …

oversize adjective ˌō-vər-ˈsīz variants or oversized Definition of oversize as in large of a size greater than average of its kind a softball is an oversize and less densely stuffed baseball

(Definition of oversized from the Cambridge Academic Content Dictionary © Cambridge University Press)

The collective display of ill-fitting, oversized blazers and hiked-up trousers, for all its aspiration to manhood, only reinforces how young all of them are.