WordWeb Online

1. Disinclined to work or exertion
   "an indolent hanger-on"
   - fainéant, lazy, otiose, slothful, work-shy
    
2. (of tumors, e.g.) slow to heal or develop and usually painless
   "an indolent ulcer"; "leprosy is an indolent infectious disease"

See also: idle, inactive, indolence, indolently

Encyclopedia: Indolent