to regard or portray as less impressive or important than appearances indicate; depreciate; disparage.

verb

build up , exaggerate , praise , value

verb

bad-mouth , blister , criticize , cut down to size , cut to the quick , decry , deprecate , depreciate , deride , derogate , diminish , discount , discredit , disparage , dispraise , downgrade , downplay , dump on , knock * , lower , minimize , pan , pooh pooh , poor mouth , put down , rip * , roast * , run down , scoff at , scorch * , scorn , shoot down * , shoot full of holes , slam * , smear , sneer at , sour grapes , squash * , squelch , take a swipe at , take down , take down a peg , tear down * , underestimate , underrate , undervalue , write off , denigrate , detract , slight , talk down , debase , defame , disdain , knock , sneer , squash , stigmatize , vilify