Tawdries is a word that means cheap, gaudy or flashy. Some antonyms for tawdries include classy, elegant, sophisticated, simple, understated, refined and tasteful. These words imply a sense of subtle beauty, restrained design, and muted colours. Classy and elegant are words that are associated with high-quality materials, impeccable design, and luxury. Sophisticated, refined and tasteful are words that denote good taste and culture. Simple and understated, on the other hand, suggest a minimalistic approach to design with an emphasis on functionality rather than opulence. Therefore, if you want to describe someone or something that is not tawdry, you can use any of these antonyms to convey a sense of impeccable style and good taste.