: not having excessive volume : not bulky an unbulky sweater.

What are examples of bulky?

When something is bulky, it has a lot of size or heft, though it is not necessarily heavy. Pillows, for example, are bulky. It's just big in an inconvenient way. Thick yarn, or a sweater made from thick yarn, is also said to be bulky.

What is bulky person?

: large and fat or muscular.