Advertisement - Continue reading below

Definition of "reinforce" []

  • To give more force or effectiveness to; strengthen: The news reinforced her hopes. (verb-transitive)
  • To strengthen (a military force) with additional personnel or equipment. (verb-transitive)
  • To strengthen by adding extra support or material. (verb-transitive)
  • To increase the number or amount of; augment. (verb-transitive)
  • Psychology To reward (an experimental subject, for example) with a reinforcer subsequent to a desired response or performance. (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 "reinforce" in a sentence
  • "Sure, if the message you want to reinforce is that working-class people are to be feared and loathed."
  • "What I am trying to reinforce is that we all have experiences in our lives."
  • "When the calls reinforce a message that a candidate is carrying, then they're not always a bad investment."