Word Study
oblivious
CIDE DICTIONARY
oblivious, a. [L. obliviosus: cf. F. oblivieux.].
- Promoting oblivion; causing forgetfulness. Milton. [1913 Webster]"She lay in deep, oblivious slumber." [1913 Webster]
- Evincing oblivion; forgetful. [1913 Webster]"Through are both weak in body and oblivious." [1913 Webster]
OXFORD DICTIONARY
oblivious, adj.
1 (often foll. by of) forgetful, unmindful.
2 (foll. by to, of) unaware or unconscious of.
1 (often foll. by of) forgetful, unmindful.
2 (foll. by to, of) unaware or unconscious of.
Derivative
obliviously adv. obliviousness n.
Etymology
ME f. L obliviosus (as OBLIVION)
THESAURUS
oblivious
Lethean, absent, absent-minded, absentminded, absorbed, abstracted, airy, amnestic, asleep, bemused, blank, blankminded, blind, blind to, blocked, calm, careless, castle-building, casual, cataleptic, catatonic, cold, comatose, converted, cursory, daydreaming, daydreamy, dead, dead asleep, dead to, deaf, deaf to, deep asleep, degage, detached, disregardant, disregardful, distant, doped, dormant, dreaming, dreamy, drowsing, drugged, easygoing, ecstatic, elsewhere, empty, empty-headed, engrossed, faraway, fast asleep, fatuous, flaked-out, flippant, forgetful, forgetting, free and easy, half-awake, half-conscious, heedless, in a reverie, in the clouds, inane, inclined to forget, incogitant, incognizant, inconsiderate, indifferent, insensible, insensitive, insouciant, lazy, lost, lost in thought, lost to, meditative, mooning, moonraking, museful, musing, napping, narcotized, nirvanic, nodding, offhand, out, out cold, out of it, passive, pensive, perfunctory, pipe-dreaming, preoccupied, quietistic, rapt, reckless, regardless, relaxed, removed, repressed, respectless, semiconscious, senseless, sleeping, slumbering, somewhere else, sound asleep, spaced out, stargazing, stoned, strung out, suppressed, tactless, taken up, thoughtfree, thoughtless, tranquil, transported, unacquainted, unaware, unconcerned, unconscious, undiplomatic, unfamiliar, unfeeling, unheedful, unheeding, unideaed, uninformed, uninstructed, unintellectual, unknowing, unmindful, unoccupied, unprepared, unready, unreasoning, unsolicitous, untactful, unthinking, unwitting, vacant, vacuous, woolgathering, wrapped in thought, zonked, zonked outROGET THESAURUS
oblivious
Oblivion
N oblivion, obliviousness, lethe, forgetfulness, amnesia, obliteration of &c, insensibility to the past, short memory, treacherous memory, poor memory, loose memory, slippery memory, failing memory, decay of memory, failure of memory, lapse of memory, waters of Lethe, waters of oblivion, amnesty, general pardon, repressed memory, forgotten, unremembered, past recollection, bygone, out of mind, buried in oblivion, sunk in oblivion, clean forgotten, gone out of one's head, gone out of one's recollection, forgetful, oblivious, mindless, Lethean, insensible to the past, heedless, non mi ricordo, the memory failing, the memory deserting one, being at fault, being in fault, To the Future.For further exploring for "oblivious" in Webster Dictionary Online