i Register
In some senses, effeminate is marked as derogatory, obsolete, archaic. Watch for register when choosing this word.
adj
Of a boy or man, exhibiting behavior or mannerisms considered typical of a woman or unmasculine.
An effeminate and unmanly foppery.
The Comte d'Artois had neither the dignified nor the manly air of his brother—he rather appeared like a pretty-looking girl, so effeminate was he and fair.
Womanly; tender, affectionate, caring.
Gentle, kind, effeminate remorse.
verb
To make womanly; to unman.
the studie of sciences doth more weaken and effeminate mens minds, than corroborate and adapt them to warre.
It will not corrupt or effeminate their [children's] minds.
To become womanly.
noun
An effeminate person.
The effeminates are males with obviously recognizable traits and mannerisms; […]