The word "de-flowers" means to remove the flowers from something or someone, and its antonyms are all related to the opposite of removing flowers. The first antonym is "adorn," which means to decorate or add beauty, often by adding flowers to something. The second antonym is "embellish," which means to make something more attractive by adding decorative elements, such as flowers. The third antonym is "ornament," which also means to decorate, and can include adding flowers to something. In essence, the antonyms for "de-flowers" are all related to adding flowers to something, rather than removing them.