As adjectives the difference between boisterous and girly
is that boisterous is full of energy; exuberant; noisy while girly is characteristic of a stereotypical girl, very effeminate, sweet.
As a noun girly is
(child speak ) girl.
boisterous
English
Adjective
(
en adjective)
Full of energy; exuberant; noisy.
Characterized by violence and agitation; wild; stormy.
Having or resembling animal exuberance.
girly
English
Adjective
(er)
Characteristic of a stereotypical girl, very effeminate, sweet
Usage notes
* Girly may be applied to a person of either sex and of any age.
Synonyms
* (applied to a girl or woman ): feminine, girlish, womanly
* (applied to a boy or man ): effeminate, unmanly
Antonyms
* (applied to a girl or woman ): butch, hoyden, hoydenish, mannish, masculine, tomboyish, unwomanly
* (applied to a boy or man ): butch, manly, masculine
Derived terms
* girly girl
* girlyman
Noun
(girlies)
(child speak ) girl
Synonyms
* See also