Top Definition
One having total knowledge
No mortal being is omniscient, though this could be used to state that some person knows almost everything about a thing.
- omniscient God
- the omniscient narrator
by smart person December 24, 2004
1 more definition
The name of the Administrator on the largest MyBB forum otherwise known as Hackforums.
Omniscient doesnt know fuck all about running a server.
by Anonymous235 November 25, 2011

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