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

  • transitive v. To supplicate; entreat.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To implore, beseech, plead, beg.
  • v. To call on a witness (often God) to confirm that something is true.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To protest.
  • transitive v. To call to witness; to invoke as a witness.
  • transitive v. To beseech; to supplicate; to beg for.

from The Century Dictionary and Cyclopedia

  • To call upon earnestly; entreat; conjure.
  • To beg for; supplicate.
  • To protest.


Latin obtestārī : ob-, to; see ob- + testārī, to call as a witness (from testis, witness; see trei- in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • I would love it if 'obtesty' was a legitimate word.

    December 23, 2010