Smelly (7)
(Other definitions for noisome that I've seen before include "Odorous" , "Foul-smelling, noxious" , "Harmful to health; disgusting" , "Smelling badly" , "Nasty" .)
(Other definitions for pungent that I've seen before include "Strong and sharp" , "Sharp - caustic" , "Incisive" , "Witty" , "With a fifteen ac smell/taste" .)
'smelly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for odorous that I've seen before include "Giving off a smell" , "Smelling" , "Having a scent" , "Sweet-smelling" , "Aromatic" .)
'smelly' is the definition.
(high can mean smelling or going off)
This is all the clue.
(Other definitions for high that I've seen before include "Elevated; euphoric" , "In slang, under the influence of drugs" , "Eminent; lofty" , "Important, elevated" , "Large, complex (and shady?) money transactions" .)
'smelly' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for odoriferous that I've seen before include "Giving off a smell" , "Fragrant" , "Smelly" .)