One who is omniscient literally knows all. The word omniscient traces back to two Latin roots: omni-, meaning "all" or "universally," and the noun scientia, meaning "knowledge."

OMNISCIENT definition: having complete or unlimited knowledge, awareness, or understanding; perceiving all things. See examples of omniscient used in a sentence.

Any divine self is both perfect and essentially omniscient. We are not omniscient and thus cannot always know all of the deductive consequences of propositions that we accept. This more powerful …

omniscient (ɒmˈnɪsɪənt) adj 1. having infinite knowledge or understanding 2. having very great or seemingly unlimited knowledge

Definition of omniscient adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Feb 2, 2026 · From Medieval Latin omnisciens (“all-knowing”), from Latin omnis (“all”) + sciens (“knowing”) (further analysable via scient). omniscient (not comparable) The story was narrated …

omniscient, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Omniscient definition: Having total knowledge; knowing everything.

If you describe someone as omniscient, you mean they know or seem to know everything.

When something is described as omniscient, it implies that it possesses an infinite and exhaustive understanding of all events, actions, thoughts, and realities, both past and future.