unmanliness

noun

1. Ignoble lack of courage: chickenheartedness, cowardice, cowardliness, cravenness, dastardliness, faint-heartedness, funk, pusillanimity. Slang gutlessness, yellowness, yellow streak. See fear/courage.
2. The quality of being effeminate: effeminacy, effeminateness, femininity, sissiness, womanishness. See gender.

The noun has one meaning:

Meaning #1: the trait of being effeminate (derogatory of a man)
  Synonyms: effeminacy, effeminateness, sissiness, womanishness