The term "most deadened" refers to something that is entirely dull, inactive or unresponsive. The antonyms for most deadened would be words such as animated, alive, invigorated, stimulated, revitalized, awakened, freshened, sprightly, energetic, lively, perked up, and peppy. Instead of using phrases like "most deadened," we can use its antonyms to create a positive and active tone. For example, "The conference room was lively and energized as the team presented their innovative ideas." Using antonyms can add color and liveliness to our language, making it more engaging and appealing to the reader or listener.