Most day-to-day refers to the ordinary, commonplace or routine aspects of life. Antonyms for this word can include extraordinary, rare, unusual, exotic, or exceptional. The opposite of most day-to-day can also refer to the fantasy or mystical world, such as magical, imaginative, or supernatural. In terms of emotions, the antonyms could include miserable, unhappy, miserable, or distraught when compared to the usual positive and upbeat feelings associated with most day-to-day living. The use of antonyms for most day-to-day can help to add a creative and interesting twist to your writing or conversation.