adjective, wool·li·er, wool·li·est.
- consisting of wool: a woolly fleece.
- resembling wool in texture or appearance: woolly hair.
- clothed or covered with wool or something resembling it: a woolly caterpillar.
- Botany. covered with a pubescence of long, soft hairs resembling wool.
- like the rough, vigorous atmosphere of the early West in America: wild and woolly.
- fuzzy; unclear; disorganized: woolly thinking.