48 synonyms for precious such as chi-chi, beyond price, adored, affected, and artificial. Precious is an adjective, and its antonyms are worthless and cheap.
Beyond price, choice, costly, dear, expensive, exquisite, fine, high-priced, inestimable, invaluable, irreplaceable, of incalculable value/worth, priceless, rare, and valuable.
Adored, beloved, cherished, darling, dear, dearest, esteemed, favourite, hallowed, loved, prized, revered, special, treasured, valued, venerated, and worth its weight in gold.
Affected, alembicated, artificial, chi-chi, contrived, effete, fancy-pants, flowery, la-di-da, mannered, over-refined, poncy, pretentious, studied, and twee.