Nonvanilla is a term commonly used to describe something that is not conventional, standard, or boring. Therefore, antonyms for this word should include terms that connote traditional, conventional, or conformist. Some possible antonyms for nonvanilla are: normal, plain, regular, standard, generic, typical, conventional, formal, traditional, classic, usual, and mainstream. These words have a connotation of being commonplace, ordinary, and lacking any unique or distinctive feature. While nonvanilla implies novelty, creativity, and originality, its antonyms convey a sense of predictability, uniformity, and conformity. Using these words in opposition to nonvanilla can help convey the difference between what is expected and what is unusual or innovative.