Synonyms for Unmanly (same or very similar meaning)
WordNet sense 1 (having unsuitable feminine qualities):
effeminate
WordNet sense 2 (not possessing qualities befitting a man):
unmanful, unmanlike
WordNet sense 3 (without qualities thought to befit a man):
unmanfully
WordNet sense 4 (lacking in courage and manly strength and resolution; contemptibly fearful):
pusillanimous, poor-spirited
WordNet sense 5 (lacking courage; ignobly timid and faint-hearted):
cowardly, fearful
From the ODE community, based on WordNet
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