Synonyms and related words :
a stranger to, abiotic, absorbed, anesthetic, anesthetized, apathetic, asleep, azoic, behind the curtain, behind the scenes, benumbed, blind, blind to, blindfold, blindfolded, bloodless, blunt, callous, camouflaged, caught napping, cold, comatose, concealed, cool, dead, dead to, deadened, deaf, deaf to, dim-sighted, disguised, dispassionate, dull, dumb, emotionless, engrossed, exanimate, hard, hardened, hidden, impalpable, impassible, impassive, imperceptible, imperceptive, impercipient, impervious, imponderable, in ignorance of, inanimate, inanimated, inappreciable, incognizant, inconsiderate, indifferent, indiscernible, indurated, inert, insensate, insensible to, insensitive, insentient, intangible, intent, invisible, latent, lifeless, lost to, mind-blind, mindless, mute, myopic, napping, nearsighted, nonconceiving, nonconscious, nonliving, nonunderstanding, not with it, numb, numbed, obdurate, oblivious, obtuse, out, out cold, out of it, out of sight, pachydermatous, phlegmatic, preoccupied, purblind, rapt, rocky, secret, senseless, shortsighted, sightless, soulless, stoic, stolid, submerged, thick-skinned, thick-witted, thoughtless, torpid, unaffected, unanimated, unapparent, unappreciable, unapprehending, unaware, unaware of, unbeheld, unbeholdable, uncomprehending, unconscious, unconscious of, undiscernible, undiscerning, unfeeling, unfelt, unhearing, uninsightful, unknowing, unmindful, unmindful of, unmoved, unnoticed, unobservable, unobserved, unperceivable, unperceived, unperceiving, unperceptive, unprehensive, unrealized, unrealizing, unseeable, unseeing, unseen, unsusceptible, unsuspecting, untouched, unviewed, unwitnessed, unwitting, viewless, witless