nay

Definitions:

A word that expresses refusal; not; not only so; not this alone.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adverb) (adv.) (adverb)
Denial; refusal.
- Newage Dictionary DB (noun) (n.) (noun)
No; not only.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adverb) (adv.) (adverb)
A denial; a refusal.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
No: not only so: yet more.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adverb) (adv.) (adverb)
A refusal; a negative vote or voter.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
No; not only so, but.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adverb) (adv.) (adverb)
No a term expressive of negation or refusal; not only so; not this alone.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adverb) (adv.) (adverb)

Usage examples:

Nay would the matter end there?
- Chippinge Borough by Stanley J. Weyman
Nay dearest, that can never be."
- True and Other Stories by George Parsons Lathrop
Argutis- nay I will go myself."
- The Complete Historical Romances of Georg Ebers by Georg Ebers