sloth
–noun
1. habitual disinclination to exertion; indolence; laziness.
2. any of several slow-moving, arboreal, tropical American edentates of the family Bradypodidae, having a long, coarse, grayish-brown coat often of a greenish cast caused by algae, and long, hooklike claws used in gripping tree branches while hanging or moving along in a habitual upside-down position.
3. a pack or group of bears.