The antonyms for the phrase "most toned down" are words that convey the opposite meaning, implying that something is more intense or exaggerated. The antonyms include the phrases "most vibrant," "most flamboyant," "most lively," "most dramatic," and "most noticeable." These expressions describe things that attract attention, are bold and expressive, or are marked by dynamic action. They are used to indicate that a situation is heightened or more potent than a normal or subdued one. Therefore, these antonyms can help to add depth to our language and communicate more accurately about the world we experience.