from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To make less intense; dull or deaden.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To reduce the edge or effects of; to mitigate; to dull.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell.

from The Century Dictionary and Cyclopedia

  • To dull; blunt; quell; deaden; reduce the pungency or violent action of anything.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. reduce the edge or violence of


Middle English obtunden, from Latin obtundere : ob-, against; see ob- + tundere, to beat.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin obtundere ("to dull", "deaden", "deafen"), from ob- + tundere (Wiktionary)



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