oblivious

Meaning

  1. (usually) Lacking awareness; unmindful; unaware, unconscious of.
  2. (dated, usually, with-of) Forgetful.

Frequency

C2
Pronounced as (IPA)
/əˈblɪviːəs/
Etymology

In summary

From Middle English oblivious, from Latin oblīviōsus (“forgetful, oblivious”), formed from oblīvium (“forgetfulness, oblivion”) + -ōsus (“full of, overly, prone to”), from oblīvīscor (“to forget”).

Notes

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