The antonyms for the word "art widespread" would be "artless" and "sporadic." Artless refers to something that lacks artistic merit or creativity, while sporadic indicates occurrences of something that are irregular and unpredictable. A person who is artless can be deemed as unimaginative or not artistic, while a sporadic event happens at irregular intervals, unlike something that is widespread, occurring frequently and in abundance. In the context of arts and culture, these antonyms can be used to describe the level of creativity, frequency of exhibition, or the reach of an artistic movement. It's essential to distinguish between these two antonyms so that complex ideas can be conveyed accurately.