Art fault is a term that refers to any defect or flaw in a piece of artwork. Synonyms for this term could include artistic flaw, aesthetic blemish, design flaw, or creative defect. These terms all convey the idea that there is something about the artwork that is not quite right or that could be improved in some way. Other synonyms for art fault might include imperfection, flaw, error, or mistake. Whether speaking about a painting, sculpture, or other type of artwork, the term art fault can be used to describe any minor or major flaw that detracts from the overall quality of the piece.