The phrase "xing out" refers to crossing out or erasing something. Antonyms of this term include words like "highlight," "underline," and "circle." Instead of eliminating text, these words suggest emphasizing or emphasizing specific areas of a text. Additionally, words like "retain," "preserve," and "protect" are also antonyms of "xing out." These words imply safeguarding or maintaining a piece of writing, rather than removing or canceling it. Other antonyms for "xing out" may include "approve," "endorse," and "support," which suggest a positive stance towards a certain text or idea.