particle

• (informal, often emphatic) No.
  ""Is my son here, Clarence?" asked Roger Oakley. "Nope. The whistle ain't blowed yet.""

noun

• (informal) A negative reply, no.
  "I'll take that as a nope, then."
• (slang) An intensely undesirable thing, such as a circumstance or an animal, eliciting immediate repulsion without possibility of further consideration.
  "This cemetery with a haunted playground is a casket full of nope."

noun

• (archaic, except near Staffordshire) A bullfinch.
  "1613, Michael Drayton, Poly-Olbion, read in The Complete Works of Michael Drayton, Now First Collected. With Introductions and Notes by Richard Hooper. Volume 2. Poly-olbion Elibron Classics (2005) [facsimile of John Russell Smith (1876 ed)], p. 146, To Philomell the next, the Linnet we prefer;/And by that warbling bird, the Wood-Lark place we then, /The Reed-sparrow, the Nope, the Red-breast, and the Wren, /The Yellow-pate: which though she hurt the blooming tree, /Yet scarce hath any bird a finer pipe than she."

noun

• (East Midlands and Northern England) A blow to the head.
  "(in an example of use of crackmans) The cull thought to have loped by breaking through the crackmans, but we fetched him back by a nope on the costard, which stopped his jaw."