no

nouns

a negative
"his no was loud and clear"
no
antonym
is a type of (narrower)
a reply of denial
"he answered in the negative"

adjectives

quantifier; used with either mass nouns or plural count nouns for indicating a complete or almost complete lack or zero quantity of
"we have no bananas"; "no eggs left and no money to buy any"; "have you no decency?"; "did it with no help"; "I'll get you there in no time"
no
antonym
antonym
is similar to
(used with singular count nouns) colloquial for `not a' or `not one' or `never a'
"heard nary a sound"
is similar to
not any
"thou shalt have none other gods before me"
is similar to
having no measurable or otherwise determinable value
"the goal is zero population growth"

adverbs

referring to the degree to which a certain quality is present
"he was no heavier than a child"
not in any degree or manner; not at all
"he is no better today"
no
used to express refusal or denial or disagreement etc or especially to emphasize a negative statement
"no, you are wrong"
no