The word "floridities" describes something that is overly flowery, showy, or ornate. Antonyms for this word would include simplicity, minimalism, plainness, and austerity. These words imply a lack of excess, a focus on essentials, and a certain understated elegance. Other antonyms for floridities might include starkness, sparseness, barrenness, and emptiness. These words convey a sense of space, clarity, and simplicity that is often devoid of any unnecessary embellishments. In essence, antonyms for floridities are words that describe a more restrained and less ostentatious approach to design, art, or literature.