indolent

adjective

1
(of tumors, e.g.) slow to heal or develop and usually painless
an indolent ulcer
leprosy is an indolent infectious disease
2
disinclined to work or exertion
faineant kings under whose rule the country languished
an indolent hanger-on

Also useful for “indolent”:Unscrambler— Rearrange the letters in “indolent”