Merriam-Webster's Collegiate® Dictionary, 11th Edition
CUTE
I. adjective (cuter; cutest)
Etymology: short for acute
Date: circa 1731
1. clever or shrewd often in an underhanded manner, impertinent , smart-alecky , attractive or pretty especially in a childish, youthful, or delicate way, obviously straining for effect, cutely adverb cuteness noun
II. noun
Date: 1965
the quality or state of being cute or cutesy