An oversized tee refers to a t-shirt that is intentionally larger in size than what is typically worn, providing a looser and more relaxed fit. Full definition
The slightly oversized tee looks best tucked in to give it some shape but still is insanely comfortable to move around in. (whatnicolewore.com)
I avoided to divert the attention away from the details on the skirt so went for a basic white oversize tee from Factorie. (sugarandshoes.com)
Pieces shown at Fashion Week included oversized tees, a cropped halter with an embroidered storm cloud and an array of babydoll dresses. (entrepreneur.com)