The answer is no! The definition of no is not any, not one or hardly any. An example of no used as an adjective is, There are no toys left in the store.. No means the opposite of yes and is used to express denial or disagreement. An example of no used as an adverb is, There will be no more crying allowed!. No is defined as a way to express disbelief or refusal. An example of no used as an interjection is, No!