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[trih-men-duh s] /trɪˈmɛn dəs/
extraordinarily great in size, amount, or intensity:
a tremendous ocean liner; tremendous talent.
extraordinary in excellence:
a tremendous movie.
dreadful or awful, as in character or effect; exciting fear; frightening; terrifying.
1625-35; < Latin tremendus dreadful, to be shaken by, equivalent to trem(ere) to shake, quake + -endus gerund suffix
Related forms
tremendously, adverb
tremendousness, noun
untremendous, adjective
untremendously, adverb
untremendousness, noun
1. See huge. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tremendously
  • It is not even my purpose to touch on the points where his influence has told so tremendously in the making of our history.
  • For all of us, hearing moments of musical genius emerge was tremendously uplifting.
  • It's been tremendously difficult to find the strength to write, and a big part of this relapse has been a return of vertigo.
  • They have a tremendously varied diet that includes hundreds of known foods.
  • Our dog's behavior improved tremendously by adjusting our behavior and actions.
  • The pressure on the island's marine life populations now is tremendously high because outside there's almost nothing.
  • Thank you for your work, has helped tremendously with my two rescued dogs.
  • Travel gives you the seeds for being tremendously creative.
  • There is a fascinating and tremendously important discussion beneath this about the nature of freedom.
  • It will also expand the knowledge base tremendously.
British Dictionary definitions for tremendously


vast; huge
(informal) very exciting or unusual
(informal) (intensifier): a tremendous help
(archaic) terrible or dreadful
Derived Forms
tremendously, adverb
tremendousness, noun
Word Origin
C17: from Latin tremendus terrible, literally: that is to be trembled at, from tremere to quake
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for tremendously



1630s, "awful, dreadful, terrible," from Latin tremendus "fearful, terrible," literally "to be trembled at," gerundive form of tremere "to tremble" (see tremble). Hyperbolic or intensive sense of "extraordinarily great or good, immense" is attested from 1812, paralleling semantic changes in terrific, terribly, awfully, etc.

Online Etymology Dictionary, © 2010 Douglas Harper
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