WordReference Random House Learner's Dictionary of American English © 2017
nat•u•ral /ˈnætʃərəl, ˈnætʃrəl/USA pronunciation   adj. 
  1. existing in or formed by nature and not by humans;
    not artificial:The valley made a natural amphitheater.
  2. of or relating to nature:the natural world.
  3. Nutritionhaving undergone little or no processing and containing no chemical additives:natural foods.
  4. having a real or physical existence:the natural, not the supernatural, world.
  5. of, relating to, or belonging to one's nature;
    innate:[before a noun]natural athletes.
  6. behaving normally;
    appearing normal:Please relax and look natural for the photographer.
  7. in agreement with the nature of people or things;
    to be expected:a natural result.[It + be + ~ + that clause]It's natural that the parents should miss their children.
  8. happening in the ordinary or usual course of things, without accident, violence, etc.:to die a natural death.
  9. Law illegitimate:[before a noun]a natural child.
  10. related by blood rather than by adoption;
    biological:[before a noun]searching for his natural parents.
  11. Music and Dance[after a noun]
    • neither sharp nor flat:That note is a G natural.

n. [countable]
  1. any person or thing that is or is likely to be suitable to or successful in an endeavor:He's a natural for that new position as supervisor.
  2. Music and Dance
    • a white key on a piano, organ, or the like.
    • the sign ♮
      , placed before a note that would otherwise be understood as sharp or flat.
nat•u•ral•ness, n. [uncountable]See -nat-.

WordReference Random House Unabridged Dictionary of American English © 2017
nat•u•ral  (nachər əl, nachrəl),USA pronunciation adj. 
  1. existing in or formed by nature (opposed to artificial):a natural bridge.
  2. based on the state of things in nature;
    constituted by nature:Growth is a natural process.
  3. of or pertaining to nature or the universe:natural beauty.
  4. of, pertaining to, or occupied with the study of natural science:conducting natural experiments.
  5. in a state of nature;
    uncultivated, as land.
  6. Botanygrowing spontaneously, without being planted or tended by human hand, as vegetation.
  7. Nutritionhaving undergone little or no processing and containing no chemical additives:natural food; natural ingredients.Cf.  organic (def. 11).
  8. having a real or physical existence, as opposed to one that is spiritual, intellectual, fictitious, etc.
  9. of, pertaining to, or proper to the nature or essential constitution:natural ability.
  10. proper to the circumstances of the case:a natural result of his greed.
  11. free from affectation or constraint:a natural manner.
  12. arising easily or spontaneously:a natural courtesy to strangers.
  13. consonant with the nature or character of.
  14. in accordance with the nature of things:It was natural that he should hit back.
  15. based upon the innate moral feeling of humankind:natural justice.
  16. in conformity with the ordinary course of nature;
    not unusual or exceptional.
  17. happening in the ordinary or usual course of things, without the intervention of accident, violence, etc.
  18. Lawrelated only by birth;
    of no legal relationship;
    illegitimate:a natural son.
  19. related by blood rather than by adoption.
  20. based on what is learned from nature rather than on revelation.
  21. true to or closely imitating nature:a natural representation.
  22. unenlightened or unregenerate:the natural man.
  23. being such by nature;
    born such:a natural fool.
  24. Music and Dance
    • neither sharp nor flat.
    • changed in pitch by the sign ♮
  25. not treated, tanned, refined, etc.;
    in its original or raw state:natural wood; natural cowhide.
  26. Music and Dance(of a horn or trumpet) having neither side holes nor valves.
  27. not tinted or colored;
  28. having a pale tannish or grayish-yellow color, as many woods and untreated animal skins.
  29. Games[Cards.]
    • being a card other than a wild card or joker.
    • (of a set or sequence of cards) containing no wild cards.
  30. having or showing feelings, as affection, gratitude, or kindness, considered part of basic human nature.
  31. Afro (def. 1).

  1. any person or thing that is or is likely or certain to be very suitable to and successful in an endeavor without much training or difficulty.
  2. Music and Dance
    • a white key on a piano, organ, or the like.
    • the sign ♮
      , placed before a note, canceling the effect of a previous sharp or flat.
    • a note affected by a ♮
      , or a tone thus represented.
  3. an idiot.
  4. Games[Cards.]blackjack (def. 2b).
  5. ClothingAfro (def. 2).
  6. Games(in craps) a winning combination of seven or eleven made on the first cast.
  7. a natural substance or a product made with such a substance:an ointment containing mink oil and other naturals.
natu•ral•ness, n. 
  • Latin, as above
  • Middle French
  • Latin nātūrālis (see nature, -al1); replacing Middle English naturel
  • Middle English 1300–50
    • 11.See corresponding entry in Unabridged spontaneous, unaffected, genuine, unmannered.

Collins Concise English Dictionary © HarperCollins Publishers::

natural /ˈnætʃrəl -tʃərəl/ adj
  1. of, existing in, or produced by nature: natural science, natural cliffs
  2. in accordance with human nature
  3. as is normal or to be expected; ordinary or logical: the natural course of events
  4. not acquired; innate: a natural gift for sport
  5. being so through innate qualities: a natural leader
  6. not supernatural or strange: natural phenomena
  7. not constrained or affected; genuine or spontaneous
  8. following or resembling nature or life; lifelike: she looked more natural without her make-up
  9. not affected by man or civilization; uncultivated; wild: in the natural state this animal is not ferocious
  10. being or made from organic material; not synthetic: a natural fibre like cotton
  11. illegitimate; born out of wedlock
  12. not adopted but rather related by blood: her natural parents
  13. not sharp or flat
  14. (postpositive) denoting a note that is neither sharp nor flat
  15. (of a key or scale) containing no sharps or flats
  16. based on the principles and findings of human reason and what is to be learned of God from nature rather than on revelation: natural religion
  1. informal a person or thing regarded as certain to qualify for success, selection, etc: the horse was a natural for first place

  2. Also called (US): cancel an accidental cancelling a previous sharp or flat
    Usual symbol:
  3. a note affected by this accidental
  4. obsolete an imbecile; idiot

ˈnaturalness n

'natural' also found in these entries:
Collocations: you're a (born) natural!, natural (and renewable) resources, is a born natural at [tennis, singing, TV work], more...

Forum discussions with the word(s) "natural" in the title:

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