Main Entry: obliv·i·on

Pronunciation: \ə-ˈbli-vē-ən, 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