Unembroidered is a word used to describe something plain, simple, or without embellishment. Its antonyms, on the other hand, refer to something that is decorated, intricate, or adorned. Ornate, elaborate, fancy, and decorated are all words that can be used to describe something that is the opposite of unembroidered. These words are often used to describe clothing, furnishings, or buildings that are highly detailed or elaborately designed. Other antonyms for unembroidered include embellished, adorned, gilded, complex, and intricate, all of which convey a sense of richness, luxury, or complexity that is absent in something that is unembroidered.