Synonyms for Flyblown:

adj.

all (adjective)
squalid, maggoty, sordid.

n.

condemned, decrepit, creaky, broken-down, beat up, derelict, down-at-heel, beaten-up, do for, dilapidated. jellied, tough, bony, jerk, lean, meaty, boneless, Skinless. flyblown (noun)
dirty, unclean, stained, spotted, besmirched, tainted, damaged, tarnished, stale, maggoty, squalid, sordid, blemished, soiled, sullied.

Other synonyms:

jellied, Skinless, boneless, meaty. jerk. bony. lean, tough. Other relevant words:
broken-down, boneless, dilapidated, Skinless, down-at-heel, lean, beaten-up, jerk, condemned, derelict, tough, bony, jellied, meaty, decrepit, creaky.