Upper-Intermediate (B2)
IPA: /ɒmˈnɪʃəns/
KK: /ɑmˈnɪʃəns/
Definition
The ability to know everything or have complete knowledge about all things.
Example
In many religions, God is often described as having omniscience.
Conversation

Do you think anyone can achieve true omniscience?

It seems impossible, right? Knowing everything just sounds overwhelming.

Yeah, I can't imagine having that kind of knowledge.

Me neither! Sometimes it's better to just enjoy the mystery of life.
Synonyms & Antonyms
Synonyms
knowledge
awareness
insight
Antonyms
ignorance
unawareness
incomprehension
Root Explanation
Omniscience → It is formed from "omni-" (meaning all) and "scientia" (meaning knowledge). The word describes the state of having all knowledge or being all-knowing.
Memory Tip
Think of 'all' ('omni-') combined with 'knowledge' ('scientia') to remember that omniscience means having all knowledge.
Visually Confused Words
conscience
nescience
inscience