Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unpleasing is an adjective meaning "unpleasant or disagreeable to the senses". It carries one recorded sense.
unpleasant or disagreeable to the senses
Definitions, synonyms and semantic relations for unpleasing come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.