Deaden (a sound or noise), especially by wrapping.

synonyms: damp, dampen, dull, muffle, mute.

Roget 429: lose color etc. 428; fade, fly, go; become colorless etc. adj.; turn pale, pale.    deprive of color, decolorize, bleach, tarnish, achromatize, blanch, etiolate, wash out, tone down.    ... show more

Roget 422: be dim, grow dim etc. adj.; flicker, twinkle, glimmer; loom, lower; fade; pale, pale its ineffectual fire [Hamlet]. render dim etc. adj.; dim, bedim^†, obscure; darken, tone down.    ... show more

Roget 421: be dark etc. adj.. darken, obscure, shade; dim; tone down, lower; overcast, overshadow; eclipse; obfuscate, offuscate^†; obumbrate^†, adumbrate; cast into the shade becloud, bedim^†, bedarken^†; cast a shade, throw a shade, spread a shade, cast a shadow, cast a gloom, throw a shadow, spread a shadow, cast gloom, throw gloom, spread gloom.    extinguish; put out, blow out, snuff out; doubt.    turn out the lights, douse the lights, dim the lights, turn off the lights, switch off the lights.    ... show more

Roget 174: be moderate etc. adj.; keep within bounds, keep within compass; sober down, settle down; keep the peace, remit, relent, take in sail.    moderate, soften, mitigate, temper, accoy^†; attemper^†, contemper^†; mollify, lenify^†, dulcify^†, dull, take off the edge, blunt, obtund^†, sheathe, subdue, chasten; sober down, tone down, smooth down; weaken etc. 160; lessen etc. (decrease) 36; check palliate.    tranquilize, pacify, assuage, appease, swag, lull, soothe, compose, still, calm, calm down, cool, quiet, hush, quell, sober, pacify, tame, damp, lay, allay, rebate, slacken, smooth, alleviate, rock to sleep, deaden, smooth, throw cold water on, throw a wet blanket over, turn off; slake; curb etc. (restrain) 751; tame etc. (subjugate) 749; smooth over; pour oil on the waves, pour oil on the troubled waters; pour balm into, mattre de l'eau dans son vin [Fr.].    go out like a lamb, roar you as gently as any sucking dove" [Midsummer-Night's Dream]. ... show more

Dutch: dempen

Make less strong or intense; soften:
— Tone down that aggressive letter.

synonyms: moderate, tame.