The word "curlicues" refers to a decorative and elaborate looping design, often found in art and calligraphy. Antonyms for this word would be plain, simple, or minimalist. These words may refer to designs that lack the intricate looping and twisting of curlicues. Other antonyms for curlicues could include straight lines, angular shapes, or sharp edges. These forms are typically simpler and more geometric, lacking the playful and whimsical nature of curlicues. While curlicues may add a sense of flair and extravagance to a design or piece of writing, its antonyms suggest a sense of restraint and simplicity.