Unfancy is an adjective used to describe something that is plain and simple. It can also mean something that lacks sophistication or elegance. The antonyms of unfancy include luxurious, elegant, refined, fancy, sophisticated, ornate, extravagant, and stylish. These words refer to something that is superior in quality, design, or appearance. Luxurious and elegant suggest a level of opulence and grandeur, while refined and fancy imply an element of tastefulness and class. Sophisticated and ornate are similar to refined and fancy but may denote a more elaborate style. Extravagant refers to something that is excessive or wasteful, while stylish suggests a modern and fashionable flair.