The word "more surcharged" implies that something is over-burdened, charged-up or excessively energized. Its antonyms would be words that carry the opposite meaning to these things. The opposite of more surcharged would be words like uncharged, discharged, undercharged, or relaxed. These words suggest a lack or absence of energy, power, or excitement. They may convey a state of calmness, tranquility, or balance. When we use an antonym, we are choosing to communicate a different idea or mood altogether. By choosing the right antonym for "more surcharged," we can convey a different atmosphere or emotion, depending on our intention.