The word "cross-stitched" typically refers to a type of embroidery technique that involves creating intricate designs by making diagonal stitches across fabric. Antonyms for this term could include words like "plain," "unadorned," or "unembellished," which all suggest a lack of decoration or ornamentation. Other antonyms might include "uneven," "messy," or "haphazard," which imply a lack of precision or attention to detail. Still, other antonyms might include terms like "smooth," "uniform," or "straight," which suggest a lack of texture or variation in the visual appearance of a piece of fabric or stitching.