mask

1 a cover or partial cover for the face used to disguise oneself an elaborate mask that would be suitable for a fancy masquerade ball Synonyms vizard Related Words camouflage, costume, disguise, guise; bill, cloak, domino, hood, veil, visor (also vizor)

2 something that covers or conceals like a piece of cloth his unexpected friendliness is just a mask, for he always has an ulterior motive Synonyms blanket, cope, cover, covering, coverture, cover-up, curtain, hood, mantle, cloak, pall, penumbra, robe, shroud, veil, wrapsRelated Words blind, concealer, screen, shield; fig leaf, Potemkin village, Trojan horse; camouflage, disguise, facade (also façade), face, cloak, veneer; gloss, varnish

1 to change the dress or looks of so as to conceal true identity the federal agents masked their surveillance vehicle so that it looked like an ordinary moving van Synonyms camouflage, cloak, dress up, disguiseRelated Words blanket, blot out, conceal, cover, curtain, enshroud, hide, obscure, occult, screen, shroud, veil; affect, assume, counterfeit, dissemble, dissimulate, feign, pose, pretend, sham, simulate; act, fake, impersonate, masquerade, play; cosmeticize, gild, gloss (over), varnish, whitewashNear Antonyms display, exhibit, expose, flaunt, parade, show, uncloak, unclothe, uncover, undrape, unveil; bare, betray, disclose, discover, divulge, expose, revealAntonyms unmask

2 to keep secret or shut off from view masked his real motives for wanting to see the house that was for sale Synonyms belie, blanket, blot out, cloak, conceal, cover, curtain, disguise, enshroud, hide, obscure, occult, paper over, screen, shroud, suppress, veilRelated Words bury, camouflage, cover (up), smother; gild, gloss (over), varnish, whitewash; becloud, bedim, befog, block, cloud, darken, eclipse, obstruct, occlude, overcast, overshadow, shadeNear Antonyms bring out, present; clarify, illuminate; advertise, air, broadcast, get out, proclaim, publicize, publish, spreadAntonyms bare, disclose, display, divulge, expose, reveal, show, uncloak, uncover, unmask, unveil