: not conscious or aware of someone or something
We called out to them, but they remained oblivious. [=they did not notice us]
—usually + of or toHe was completely oblivious of [=unaware of] the fact that he'd offended them.
She kept dancing, oblivious to everyone around her.
Cite this Entry
“Oblivious.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/oblivious. Accessed 21 Jun. 2026.
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