Definition of "obtuse" []

  • Lacking quickness of perception or intellect. (adjective)
  • Characterized by a lack of intelligence or sensitivity: an obtuse remark. (adjective)
  • Not distinctly felt: an obtuse pain. (adjective)
  • Not sharp, pointed, or acute in form; blunt. (adjective)
  • Having an obtuse angle: an obtuse triangle. (adjective)
  • Mentally slow or emotionally insensitive (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • (of an angle) lying between 90° and 180° (adjective)
  • (of a triangle) having one interior angle greater than 90° (adjective)
  • Not sharp or pointed (adjective)
  • Indistinctly felt, heard, etc; dull (adjective)
  • (of a leaf or similar flat part) having a rounded or blunt tip (adjective) (c) HarperCollins Publishers Ltd 2016

Use "obtuse" in a sentence
  • "Scalia rejected what he called the "obtuse" argument by the attorneys for consumers who challenged CompuCredit that Congress had not intended for companies to force disputes into binding arbitration."
  • "You need a new thesaurus, your reliance on the word obtuse is getting annoying."
  • "All he’s doing is what all of you phonies do – speak in obtuse generalities."