adverb
a - used to give a negative answer or reply to a question, request, or offer
in a way that shows a negative response
used to introduce a statement that corrects an earlier statement
in no degree or amount :not at all - used in comparisons
used before an adjective to indicate a meaning that is the opposite of the adjective's meaning
used to show surprise, doubt, or disbelief
used to express agreement with a negative statement
used to tell someone not to do something
adjective
always used before a noun
not any
used to say that someone or something is not the kind of person or thing being described
noun
plural noes or nos
[count] :a negative answer :an answer of no - usually singular
[count] :a vote of no
[plural] :people who are voting no