Ordinary; average to inferior in quality, with a negative connotation.Quotes: "It is fatal for art if it is forced into official respectability and condemned to sterile mediocrity." Gustave Courbet (1819-1877), French Realist painter. "They are good furniture pictures, unworthy of praise, and undeserving of blame." John Ruskin (1819-1900), English art critic, author. Modern Painters, volume 3, part 1, section 5, chapter 5 (1856). Also see bad art, derivative, miserable failure, and ugly.