underplay

verb underplay

• be-little — to regard or portray as less impressive or important than appearances indicate; depreciate; disparage.
• cut rate — a price, fare, or rate below the standard charge.
• deemphasize — to place less emphasis upon; reduce in importance, size, scope, etc.: The university de-emphasized intercollegiate football.
• gloss over — an explanation or translation, by means of a marginal or interlinear note, of a technical or unusual expression in a manuscript text.
• knock down — to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering.