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[hey-nuh s] /ˈheɪ nəs/
hateful; odious; abominable; totally reprehensible:
a heinous offense.
Origin of heinous
1325-75; Middle English heynous < Middle French haineus, equivalent to haine hatred (derivative of haïr to hate < Germanic) + -eus -ous
Related forms
heinously, adverb
heinousness, noun
nonheinous, adjective
nonheinously, adverb
nonheinousness, noun
wicked, infamous, flagrant, flagitious, atrocious, villainous, nefarious.
admirable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for heinously
Contemporary Examples
Historical Examples
  • Little did I know why you took a joke on your cousin so heinously amiss!

  • Those commands were very exceptional that were in Falstaff's condition, "heinously unprovided with a thief."

    Campfire and Battlefield

    Rossiter Johnson
  • God grant, my dearest young lady, that he may not have so heinously offended you that you cannot forgive him!

    Clarissa, Volume 6 (of 9) Samuel Richardson
  • With a fair trial he will be found guilty, though not so heinously criminal as many suppose.

  • There is no one article of this world's comforts with which, as Falstaff says, they are so heinously unprovided.

  • I told you in my last how heinously I am unprovided with the means of being so, having long since sent all my books to market.

  • Our young officer went into the woods in the condition of Falstaff, "heinously unprovided."

    Black Rebellion Thomas Wentworth Higginson
British Dictionary definitions for heinously


/ˈheɪnəs; ˈhiː-/
evil; atrocious
Derived Forms
heinously, adverb
heinousness, noun
Word Origin
C14: from Old French haineus, from haine hatred, from hair to hate, of Germanic origin; see hate
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 heinously



late 14c., from Old French hainos "inconvenient, awkward; hateful, unpleasant; odious" (Modern French haineux), from haine "hatred," from hair "to hate," from Frankish *hatjan (cf. Old Saxon haton, Old English hatian "to hate;" see hate (v.)). Related: Heinously; heinousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for heinously



Bad; crappy, gross, lame (1980s+ Students)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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