det.
   - not any.
 - quite the opposite of:
 it was no easy task.
 - hardly any.
 
exclam.
 used to give a negative response.
adv.
  - 
[with comparative]
 not at all:
 they were no more able to do it than I was.
 - Scottish not.
 
n.
 (pl. noes)
 a negative answer or decision, especially in voting.
 
  Phrase
  
    - no can do
 informal I am unable to do it.  - no go
 informal impossible, hopeless, or forbidden.  - no longer
 not now as formerly.  - no place
 N. Amer. nowhere.  - not take no for an answer
 persist in spite of refusals.  - no two ways about it
 no possible doubt about something.  - no way
 informal under no circumstances; not at all.  - no worries
 informal, chiefly Austral. all right; fine.  - or no
 or not. 
   
  Etymology
  OE nō, nā (adv.), from ne ‘not’ + ō, ā ‘ever’.