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

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 …

Possessed of universal or complete knowledge. The term “omniscient” originates from the early 17th century, from the Latin word “omniscientia,” which combines “omni-” meaning “all” and …

"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 …

OMNISCIENT meaning: knowing everything having unlimited understanding or knowledge

Omniscient definition: Having total knowledge; knowing everything.