Synonyms of 'black out'

annul, becloud, bedim, black, blacken, brown, cancel, censor, cloud, crap out, darken, delete, dim, drop, eclipse, efface, expunge, faint, gloom, hugger-mugger, hush, hush-hush, keel over, kill, muffle, murk, obfuscate, obliterate, obscure, obumbrate, occult, overcast, overcloud, overshadow, pass out, quash, repress, shade, shadow, shush, smother, somber, squash, squelch, stifle, succumb, suppress, swoon