no (nō), adjective [OE. no, non, the same word as E. none; cf. E. a, an. See None.] Not any; not one; none; as, yes, we have no bananas; – often used as a quantifier.

Let there be no strife . . . between me and thee. Gen. xiii. 8.

That goodness is no name, and happiness no dream. Byron.

☞ In Old England before a vowel the form non or noon was used. “No man.” “Noon apothercary.” Chaucer.

2 No, adverb [OE. no, na, AS. nā; ne not + ā ever. AS. ne is akin to OHG. ni, Goth. ni, Russ. ne, Ir., Gael. & W. ni, L. ne, Gr. νη (in comp.), Skr. na, and also to E. prefix un-. √ 193. See Aye, and cf. Nay, Not, Nice, Nefarious.] Nay; not; not at all; not in any respect or degree; – a word expressing negation, denial, or refusal. Before or after another negative, no is emphatic.

We do no otherwise than we are willed. Shak.

I am perplx’d and doubtful whether or no
I dare accept this your congratulation. Coleridge.
There is none righteous, no, not one. Rom. iii. 10.

No! Nay, Heaven forbid. Coleridge.

No (nō), noun; pl. Noes (nōz).

A refusal by use of the word no; a denial.

-- Webster's unabridged 1913