Foul (7)
'foul' is the definition.
(both can mean disgusting)
This is all the clue.
(Other definitions for squalid that I've seen before include "Extremely dirty" , "Poverty-stricken - filthy" , "run down" , "Slum-like" , "Wretched, filthy" .)
'foul' is the definition.
(I know that foul can be written as noisome)
This is the entire clue.
(Other definitions for noisome that I've seen before include "Foul; putrid" , "Extremely unpleasant" , "Disgusting -- ie moons (anag)" , "Odorous" , "Offensive, noxious" .)
'foul' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for unclean that I've seen before include "Polluted" , "Soiled like an uncle" , "Foul" , "taboo" , "Ceremonially impure" .)
'foul' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for noxious that I've seen before include "Unwholesome" , "Harmful to health" , "foul" , "bad for you" , "Unpleasant and harmful" .)
'foul' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for awful that I've seen before include "Dreadful and dire" , "Horrific" , "Dreadful - spine-chilling" , "The pits" , "Very embarrassing" .)
'foul' is the definition.
(I know that foul can be written as fetid)
This is the entire clue.
(Other definitions for fetid that I've seen before include "Malodorous, stinking" , "Putrid, malodorous" , "Nauseating" , "Noisome" , "Smelling bad, stinking" .)
'foul' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for putrid that I've seen before include "Rotting, fetid" , "Decomposing and fetid" , "Decaying, rotting" , "Bad smelling, rotting" , "Really rotten and foul-smelling" .)
'foul' is the definition.
(synonyms)
This is all the clue.
(Other definitions for vile that I've seen before include "Disgusting, quite evil" , "Evil, foul" , "Revolting" , "Cheap; shameful" , "Extremely unpleasant" .)