The antonyms for the word "most today" can be "least" or "fewest." These words indicate a smaller quantity or amount compared to the majority. When we say "least today," we refer to the smallest number, amount, or degree of something on a particular day. Similarly, "fewest today" means the minimum or smallest number of things happening or present on a given day. These antonyms help us to provide a clear and contrasting meaning to the word "most today," which refers to the maximum or greatest number, amount or intensity happening on a particular day. Knowing their antonyms enriches our vocabulary and helps us to communicate more effectively.