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'theory' in a sentence

Learn how to use 'theory' with 16 example sentences.


theory noun

: 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

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

: a belief that can guide behavior


  • In theory, it's possible.
  • This theory is very controversial.
  • This theory is too difficult for me to comprehend.
  • What's the theory of evolution?
  • The experiment confirmed his theory.
  • To explain this phenomenon, each scientist devised his own theory.
  • There's a theory that explains that.
  • He has a vast knowledge of music theory.
  • I can't find a single flaw in his theory.
  • Theory and practice should go hand in hand.
  • The teacher explained his theory using pictures.
  • What's your theory on what happened?
  • John Dalton was the creator of the atomic theory.
  • This poses an interesting problem for classical theories of physics.
  • This book deals with the new theory of linguistics.
  • Let us briefly recall an important result from group theory.
  • Words related to 'theory'


    Words near 'theory' in the dictionary