Synonyms and related words :
belittle, bemoan, bewail, de-emphasize, denigrate, deplore, depreciate, derogate, despise, detract, discommend, discountenance, disdain, disesteem, disfavor, disparage, dispraise, disvalue, downplay, frown, hold in contempt, lament, make light of, make little of, make nothing of, minimize, misestimate, misprize, object, play down, put down, ridicule, sell short, set at naught, set little by, shrug off, think little of, think nothing of, underestimate, underplay, underprize, underrate, underreckon, undervalue