ob·tund

[ob-tuhnd]
verb (used with object)
to blunt; dull; deaden.
Origin:
1350–1400; Middle English < Latin obtundere to beat at, equivalent to ob- ob- + tundere to strike

Related forms
ob·tund·ent, adjective
ob·tun·di·ty, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
obtund (ɒbˈtʌnd) [Click for IPA pronunciation guide]
 
—vb
rare (tr) to deaden or dull
 
[C14: from Latin obtundere to beat against, from ob- against + tundere to belabour]
 
ob'tundent
 
—adj, —n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Obtund is one of our favorite verbs.
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chat, to converse
to bark; yelp.
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Etymonline
Word Origin & History

obtund
c.1400, (trans.) "to render dead, make dull," used occasionally in English, especially in medical jargon; from L. obtundere (see obtuse). Related: Obtundation; obtunded.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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Example sentences
The administration of drugs to obtund or reduce the intensity of pain and awareness without the loss of defensive reflexes.
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