The term "more wall-to-wall" implies an abundance or excess of something. To find its antonyms, we need to look for words that convey the opposite meaning, such as sparse or scarce. Other antonyms could be partial, incomplete, or insufficient, which suggest a lack of completeness or fullness. Terms like interrupted, broken, or patchy could also convey the idea of something being less than uniform or consistent, creating patches of emptiness or gaps. The opposite of "more wall-to-wall" can be relative, depending on the context and the specific characteristics of the object or subject being described.