Antonyms of adj unmanly

2 senses of unmanly

Sense 1
unmanly (vs. manly), unmanful, unmanlike -- (not possessing qualities befitting a man)

manly (vs. unmanly), manful, manlike -- (possessing qualities befitting a man)
        => man-sized -- (calling for the strength of a man; "a man-sized job")

Sense 2
pusillanimous, poor-spirited, unmanly -- (lacking in courage and manly strength and resolution; contemptibly fearful)

INDIRECT (VIA cowardly) -> brave, courageous -- (possessing or displaying courage; able to face and deal with danger or fear without flinching; "Familiarity with danger makes a brave man braver but less daring"- Herman Melville; "a frank courageous heart...triumphed over pain"- William Wordsworth; "set a courageous example by leading them safely into and out of enemy-held territory")

Similarity of adj unmanly

2 senses of unmanly

Sense 1
unmanly (vs. manly), unmanful, unmanlike -- (not possessing qualities befitting a man)
       => effeminate, emasculate, epicene, cissy, sissified, sissyish, sissy -- (having unsuitable feminine qualities)
       => womanish -- (having characteristics associated with women and considered undesirable in men; "womanish tears")

Sense 2
pusillanimous, poor-spirited, unmanly -- (lacking in courage and manly strength and resolution; contemptibly fearful)
       => cowardly (vs. brave), fearful -- (lacking courage; ignobly timid and faint-hearted; "cowardly dogs, ye will not aid me then"- P.B.Shelley)

Synonyms of adv unmanly

1 sense of unmanly

Sense 1
unmanfully, unmanly -- (without qualities thought to befit a man)