Extremely large; having great mass
He flung himself down into the oversized chair and lifted his boots onto the ottoman.
She crossed to the living room and tucked her legs beneath her as she sat across from him in an oversized, worn chair.
She left the bathroom, pulling on an oversized, soft T-shirt Evelyn had shanghaied from Romas and Kiera had shanghaied from Evelyn.
She sat in the oversized armchair, curling her legs beneath her as she drank her wine.
She wore an oversized shirt and boxer shorts, neither of which was hers.