of, relating to, or characteristic of a style of abstract painting associated with the 1960s and marked chiefly by sharply outlined geometric or nongeometric forms.
Origin of hard-edge
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or denoting a style of painting in which vividly coloured subjects are clearly delineated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012