The word "brady-" is typically associated with slowness, dullness, or sluggishness. However, there are several antonyms or opposite words that can be used to express the opposite of these qualities. Some of these antonyms include quick, rapid, nimble, brisk, active, fast, and lively. These words can be used to describe movements or actions that are energetic, rapid, or quick. They can also be used to describe individuals who are agile, sharp, or alert. Therefore, by using antonyms for the word "brady-", one can enhance their vocabulary and express themselves more clearly and effectively.