Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
foul-smelling is an adjective meaning "offensively malodorous". It carries one recorded sense.
offensively malodorous
“a foul odor”
“the kitchen smelled really funky”
Definitions, synonyms and semantic relations for foul-smelling come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.