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[ob-tuhnd] /ɒbˈtʌnd/
verb (used with object)
to blunt; dull; deaden.
Origin of obtund
1350-1400; Middle English < Latin obtundere to beat at, equivalent to ob- ob- + tundere to strike
Related forms
obtundent, adjective
obtundity, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for obtunded
  • The other guests, strangers all, lolling around us obtunded with tryptophan.
  • The optimal method of clearing the cervical spine in obtunded trauma patients is unclear.
  • If the patient is excessively sedated or mentally obtunded as judged by an inability to follow verbal commands.
  • She was somewhat obtunded but answered questions appropriately and complied with commands.
British Dictionary definitions for obtunded


(transitive) (rare) to deaden or dull
Derived Forms
obtundent, adjective, noun
Word Origin
C14: from Latin obtundere to beat against, from ob- against + tundere to belabour
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 obtunded



c.1400, (transitive) "to render dead, make dull," used occasionally in English, especially in medical jargon; from Latin obtundere "to blunt, make dull, weaken, exhaust," literally "to beat against" (see obtuse). Related: Obtundation; obtunded.

Online Etymology Dictionary, © 2010 Douglas Harper
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obtunded in Medicine

obtund ob·tund (ŏb-tŭnd')
v. ob·tund·ed, ob·tund·ing, ob·tunds
To dull or blunt, especially sensation or pain.

ob·tund'ent adj.
ob·tun'di·ty n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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