précieuse

from The Century Dictionary.

• noun A woman who is affectedly fastidious in language or taste; a woman who is over-refined: from the title of Molière's “Les précieuses ridicules.”

from the GNU version of the Collaborative International Dictionary of English.

• noun An affected woman of polite society, esp. one of the literary women of the French salons of the 17th century. See aslo preciosity.