Dictionary.net

• a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty

2006 - WordNet 3.0
By Princeton University

• a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty

2011 - English Dictionary Database
By DataStellar Co., Ltd