9 Grammatical Pitfalls


[thee-er-ist, theer-] /ˈθi ər ɪst, ˈθɪər-/
a person who theorizes.
a person who deals mainly with the theory of a subject:
a theorist in medical research.
Origin of theorist
1585-95; theor(y) + -ist Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for theorist
  • He has suffered from his great reputation as a critic and theorist, from the effects of his intelligence.
  • But here's another, possibly even scarier, scenario that's been circulating on conspiracy-theorist web sites for a while.
  • Every so often, a music theorist tries to determine what late works have in common, with interesting but murky results.
  • He appears to be a loner and conspiracy theorist of a vaguely right-wing variety.
  • Our reviewer, a leading business theorist and management consultant, strongly disagrees.
  • He was not only a theorist but a practical and acute observer of management and technological style.
  • Being a theorist, people think you might be useful in a practical area.
  • He was a theorist, a reasoner, all the more rigorous in his theories because their scope was limited.
  • He may have been a scientist, a political theorist, or a repentant fanatic.
  • The contemporary theorist, by implication, is both judge and executioner.
British Dictionary definitions for theorist


the originator of a theory; a person who is concerned with theory; a theoretician
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for theorist

1590s; see theory + -ist.

Online Etymology Dictionary, © 2010 Douglas Harper
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