The word aigrettes refers to ornamental feathers or plumes that are often used on hats or clothing. Antonyms for this word might include plainness, simplicity, or modesty. Rather than wearing flashy aigrettes, one might opt for a more subdued and understated accessory. Other antonyms might include practicality, functionality, or utilitarianism, as aigrettes serve little purpose other than decoration. Alternatively, one could focus on natural beauty and avoid the use of any artificial aigrettes altogether. Whatever the preference, there are plenty of antonyms to describe a style that values humility, practicality, and naturalness above all else.