There are several antonyms for the word "more abutting," but the most common ones are "further apart," "distant," "separated," "disconnected," and "removed." These words convey the opposite meaning of being close or adjacent to each other. While "more abutting" refers to two objects or places that are touching or bordering each other closely, its antonyms refer to objects or places that are far apart or have some distance between them. The use of antonyms can add variety and depth to a piece of writing, allowing the writer to convey more nuances and shades of meaning.