—adj. 1. consisting of wool: a woolly fleece. 2. resembling wool in texture or appearance: woolly hair. 3. clothed or covered with wool or something resembling it: a woolly caterpillar. 4. Bot.covered with a pubescence of long, soft hairs resembling wool.
5. like the rough, vigorous atmosphere of the early West in America: wild and woolly. 6. fuzzy; unclear; disorganized: woolly thinking.
—n. 1. Western U.S.a wool-bearing animal; sheep.
2. Usually, woollies. a knitted undergarment of wool or other fiber.
3. any woolen garment, as a sweater.
4. Dial.a dust ball. Also,wooly.