1. a way of doing, being done, or happening; mode of action, occurrence, etc.: I don't like the manner in which he complained. 2. manners, a. the prevailing customs, ways of living, and habits of a people, class, period, etc.; mores: The novels of Jane Austen are concerned with the manners of her time. b. ways of behaving with reference to polite standards; social comportment: That child has good manners. 3. a person's outward bearing; way of speaking to and treating others: She has a charming manner. 4. characteristic or customary way of doing, making, saying, etc.: houses built in the 19th-century manner. 5. air of distinction: That old gentleman had quite a manner. 6. ( used with a singular or plural verb ) kind; sort: What manner of man is he? All manner of things were happening. 7. characteristic style in art, literature, or the like: verses in the manner of Spenser. 8. Obsolete . a. nature; character. b. guise; fashion. —Idioms 9. by all manner of means, by all means; certainly. 10. by no manner of means, under no circumstances; by no means; certainly not: She was by no manner of means a frivolous person. 11. in a manner, so to speak; after a fashion; somewhat. 12. in a manner of speaking, in a way; as it were; so to speak: We were, in a manner of speaking, babes in the woods. 13. to the manner born, a. accustomed by birth to a high position: He was a gentleman to the manner born. b. used to a particular custom, activity, or role from birth.