Definitions from Wiktionary ( )

▸ adjective:  Existing in nature.
▸ adjective:  Existing in the nature of a person or thing; innate, not acquired or learned.
▸ adjective:  Normally associated with a particular person or thing; inherently related to the nature of a thing or creature.
▸ adjective:  As expected; reasonable, normal; naturally arising from the given circumstances.
▸ adjective:  Formed by nature; not manufactured or created by artificial processes.
▸ adjective:  Pertaining to death brought about by disease or old age, rather than by violence, accident etc.
▸ adjective:  Having an innate ability to fill a given role or profession, or display a specified character.
▸ adjective:  (mathematics)
▸ adjective:  Designating a standard trigonometric function of an angle, as opposed to the logarithmic function.
▸ adjective:  (algebra) Closed under submodules, direct sums, and injective hulls.
▸ adjective:  (music) Neither sharp nor flat. Denoted ♮.
▸ adjective:  Containing no artificial or man-made additives; especially (of food) containing no colourings, flavourings or preservatives.
▸ adjective:  Pertaining to a decoration that preserves or enhances the appearance of the original material; not stained or artificially coloured.
▸ adjective:  Pertaining to a fabric still in its undyed state, or to the colour of undyed fabric.
▸ adjective:  (dice games) Pertaining to a dice roll before bonuses or penalties have been applied to the result.
▸ adjective:  (bodybuilding) Not having used anabolic steroids or other performance-enhancing drugs.
▸ adjective:  (bridge) Bidding in an intuitive way that reflects one's actual hand.
▸ adjective:  Pertaining to birth or descent; native.
▸ adjective:  Having a given status (especially of authority) by virtue of birth.
▸ adjective:  Related genetically but not legally to one's father; born out of wedlock, illegitimate.
▸ adjective:  Related by birth; genetically related.
▸ noun:  (now rare) A native inhabitant of a place, country etc.
▸ noun:  (music) A note that is not or is no longer to be modified by an accidental.
▸ noun:  (music) The symbol ♮ used to indicate such a natural note.
▸ noun:  One with an innate talent at or for something.
▸ noun:  (uncountable) An almost white colour, with tints of grey, yellow or brown; originally that of natural fabric.
▸ noun:  (archaic) One with a simple mind; a fool or idiot.
▸ noun:  (colloquial, chiefly UK) One's life.
▸ noun:  (US, colloquial) A hairstyle for people with Afro-textured hair in which the hair is not straightened or otherwise treated.
▸ noun:  (chiefly in the plural, slang) A breast which has not been modified by plastic surgery.
▸ noun:  (bodybuilding) Someone who has not used anabolic steroids or other performance-enhancing substances.
▸ noun:  (craps) A roll of two dice with a score of 7 or 11 on the comeout roll.
▸ adverb:  (colloquial, dialect) Naturally; in a natural manner.

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