Advertisement - Continue reading below

Definition of "stiffen" [stiff•en]

  • To make or become stiff or stiffer. (verb-transitive)

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.

Use "stiffen" in a sentence
  • "But the title might stiffen a cock or two in Dubuque."
  • "Dilloh's expression stiffen eL "You could talk to me.""
  • "What he could not abide was negligence on part of officer or man, on part of superior or inferior, and he sought to "stiffen" Plume forthwith."