Oblivious

/əˈblɪviəs/

Meaning & Definition

adjective
Not aware of or concerned about what is happening around one.
She was oblivious to the signs of his discontent.
Lacking memory, forgetful.
He remained oblivious to their past disagreements.
Unaware or unconcerned about something that is happening.
He walked through the crowd, oblivious to the chaos around him.
Not mindful or attentive to one's surroundings.
Oblivious to the time, she continued to read her book.

Etymology

From Latin 'obliviosus', from 'oblivio' meaning 'forgetting'.

Common Phrases and Expressions

oblivious to
Unaware or unmindful of something.
feel oblivious
To feel detached or unaware.
obliviousness
The state of being unaware or neglectful.

Related Words

oblivion
The state of being forgotten or unknown.
obliviate
To forget or erase from memory.
obliviously
In a manner that shows a lack of awareness.

Slang Meanings

Clueless
He's completely clueless about the plan we made.
Zoned out
She was so zoned out during the meeting, she missed the important updates.