Definition of theory

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  • theory is a valid Scrabble US word with a point value of 12
  • theory is a valid Scrabble UK word with a point value of 12
  • theory is a valid Words with friends word with a point value of 10

Definition of theory

  • a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena (noun)

    Examples

    1. a scientific hypothesis that survives experimental testing becomes a scientific theory
    2. he proposed a fresh theory of alkalis that later was accepted in chemical practices

    Synonyms

    1. hypothesis
    2. possibility
  • a belief that can guide behavior (noun)

    Examples

    1. the architect has a theory that more is less
    2. they killed him on the theory that dead men tell no tales
  • a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena (noun)

    Examples

    1. true in fact and theory

See definition of theory in Merriam Webster