Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unmanly is an adjective and adverb meaning "not possessing qualities befitting a man". It carries 3 recorded senses.
not possessing qualities befitting a man
lacking in courage and manly strength and resolution; contemptibly fearful
without qualities thought to befit a man
Definitions, synonyms and semantic relations for unmanly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.