Theory Definition
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; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and 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; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
- a belief that can guide behavior; "the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales"
"Theory" in song lyrics
See how theory is used in real songs:
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"from Los Angeles city of the big bang theory"
Aceyalone — Mr. Outsider -
"He said Nicky man you know the street theory"
Dre Dog (Andre Nickatina) — Soul of a Coke Dealer -
"Changing up the patterns through the concept of string theory"
Anubis5 — Cranberry Gingerale
Words that rhyme with theory
Usage tips for "theory"
Understanding the precise definition of a word helps you use it with confidence. When using "theory" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for theory to find words that pair well.