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 meaning: 1. having or seeming to have unlimited knowledge: 2. having or seeming to have unlimited…. Learn more.

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

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

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

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

Dec 14, 2025 · From Medieval Latin omnisciens (“all-knowing”), from Latin omnis (“all”) + sciens (“knowing”) (further analysable via scient). omniscient (not comparable) The story was …

"Omniscient" is a word with a flair for drama, often popping up in conversations about knowledge or wisdom. It's the ultimate know-it-all term, embodying someone or something that knows …

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

Omniscient definition: Having total knowledge; knowing everything.