B1
a piece of clothing made of soft cotton which covers the top of your body and is pulled on over your head or zips up the front
Dictionary examples:
I love my sweatshirt so much, I named it Bob! (0.0)
My sweatshirt is so comfy, I forgot I was wearing it to bed! (0.0)
I put on my lucky sweatshirt and immediately won a pizza-eating contest! (0.0)
a hooded sweatshirt (32.9)
She was dressed casually in jeans and a sweatshirt. (36.9)