The antonyms for the phrase "most worked up" can vary depending on the intended meaning. If the phrase refers to a state of agitation or excitement, then the antonyms could be "calm," "composed," or "relaxed." On the other hand, if the phrase is interpreted as indicating a significant amount of effort or energy, then antonyms could be "lazy," "sluggish," or "unmotivated." It's essential to consider the context and intended meaning of the phrase to determine appropriate antonyms. Using antonyms can help convey a different tone or message, and it's crucial to choose them wisely for effective communication.