verb (used with object)

to blunt; dull; deaden.

Nearby words

  1. obtest,
  2. obtrude,
  3. obtrusion,
  4. obtrusive,
  5. obtrusively,
  6. obturate,
  7. obturating embolism,
  8. obturator,
  9. obturator artery,
  10. obturator canal

Origin of obtund

1350–1400; Middle English < Latin obtundere to beat at, equivalent to ob- ob- + tundere to strike

Related formsob·tund·ent, adjectiveob·tun·di·ty, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for obtund



(tr) rare to deaden or dull
Derived Formsobtundent, adjective, noun

Word Origin for obtund

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

Word Origin and History for obtund



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

Medicine definitions for obtund




To dull or blunt, especially sensation or pain.
Related formsob•tundent adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.