What is the meaning of none?

noun

• A canonical hour that is the ninth hour of the day counting from sunrise.
• A service in the Roman Catholic Church formerly read or chanted at 3 PM (the ninth hour counting from sunrise) but now somewhat earlier.

adjective

• Not any.
  • usage: "thou shalt have none other gods before me"

adverb

• Not at all or in no way.
  • usage: "seemed none too pleased with his dinner"; "shirt looked none the worse for having been slept in"; "none too prosperous"; "the passage is none too clear"