"More nonexistence" refers to something that exists to an even lesser degree or is more completely nonexistent than something else. Synonyms for this phrase include "greater absence," "larger void," "deeper nothingness," and "expanded non-being." These words all convey the idea of something being absent or nonexistent, but with varying degrees of intensity. "Greater absence" suggests a more notable lack of presence, while "deeper nothingness" implies a more profound and all-encompassing void. Regardless of the exact phrasing used, all of these synonyms convey a sense of something being even more nonexistent than before.