n.
Pronunciation: ə - ' bli-v ē - ə n, ō -, ä-
Function: noun
Etymology: Middle English, from Anglo-French, from Latin oblivion-, oblivio, from oblivisci to forget, perhaps from ob- in the way + levis smooth ― more at OB- , LEVIGATE
Date: 14th century
1 : the fact or condition of forgetting or having forgotten especially : the condition of being oblivious
2 : the condition or state of being forgotten or unknown