no

Meanings

1. 1
   adv

   used to express refusal or denial or disagreement etc or especially to emphasize a negative statement

   no, you are wrong

2. 2
   adv

   not in any degree or manner

   not at all

3. 3
   adv

   referring to the degree to which a certain quality is present

   I was no heavier than a child.

4. 4
   noun

   a negative

   Their no was loud and clear.

5. 5
   det

   Not any.

   no one

6. 6
   det

   Hardly any.

   We'll be finished in no time at all.

7. 7
   det

   Not any possibility or allowance of (something).

   No smoking. No parking.

8. 8
   det

   Not (a); not properly, not really; not fully.

   My mother's no fool.

Etymology

Inherited from Middle English no, na, from Old English nā, nō (“no, not, not ever, never”), from Proto-West Germanic *naiwō, from Proto-Germanic *naiwô (“never”), *ne (“not”), from Proto-Indo-European *né, *nē, *nēy (negative particle), equivalent to Old English ne (“not”) + ā, ō (“ever, always”). Cognate with Scots na (“no”), Saterland Frisian noa (“no”), West Frisian né (“no”), nea (“never”), Dutch nee (“no”), Low German nee (“no”), German nie (“never”), dialectal German nö (“no”), Danish nej (“no”), Swedish nej (“no”), Icelandic nei (“no”). More at nay.