Infested with lice (5)
I believe the answer is:
lousy
(Other definitions for lousy that I've seen before include "Awful" , "Pants" , "Rotten" , "Very bad; infested" , "Callous" .)
I believe the answer is:
lousy
(Other definitions for lousy that I've seen before include "Awful" , "Pants" , "Rotten" , "Very bad; infested" , "Callous" .)