The Collaborative International Dictionary
Invulgar
Invulgar \In*vul"gar\, v. t. [Pref. in- in + vulgar.]
To cause to become or appear vulgar. [Obs.]
--Daniel.
Invulgar
Invulgar \In*vul"gar\, a. [Pref. in- not + vulgar.]
Not vulgar; refined; elegant. [Obs.]
--Drayton.
Wiktionary
invulgar
a. (context obsolete English) Not vulgar; refined; elegant.