<p><strong>Adverb</strong></p><ul><li>a negative used to express dissent, denial, or refusal, as in response to a question or request: “Have you done the dishes yet?” “No, not yet.”</li><li>used to emphasize or introduce a negative statement: Not a single person came to the party, no, not a one.</li><li>not in any degree or manner; not at all (used with a comparative): He is no better.</li></ul><p><strong>Interjection</strong></p><ul><li>used as an expression of disapproval, shock, disbelief, dismay, etc.: Oh no, my pancakes are burning!</li><li>“He moved away after he graduated.” “No! I was sure he'd be the one who stuck around.”</li></ul><p><strong>Adjective</strong></p><ul><li>not a (used before a noun or a noun and its modifiers to convey the opposite meaning): She's no beginner on the ski slopes. His recovery was no small miracle.</li></ul><p><strong>Noun</strong></p><ul><li>plural: noes, nos. An utterance of the word “no.”</li><li>a denial or refusal: He responded with a definite no.</li><li>a negative vote or voter: The noes have it.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to reject, refuse approval, or express disapproval of: I would have noed this plan for its lack of forethought if you'd told me about it.</li><li>(used without object) to express disapproval.</li></ul>