reinforce

verb
re·​in·​force | \ ˌrē-ən-ˈfȯrs How to pronounce reinforce (audio) \
variants: or less commonly

Definition of reinforce

transitive verb

1 : to strengthen by additional assistance, material, or support : make stronger or more pronounced reinforce levees reinforce the elbows of a jacket reinforce ideas
2 : to strengthen or increase by fresh additions reinforce our troops were reinforcing their pitching staff
3 : to stimulate (a subject, such as an experimental animal) by reinforcement (see reinforcement sense 3) also : to encourage (a response) by reinforcement

Keep scrolling for more

Other Words from reinforce

reinforceable \ ˌrē-​ən-​ˈfȯr-​sə-​bəl How to pronounce reinforceable (audio) \ adjective

Examples of reinforce in a Sentence

The captain sent out another squad to reinforce the troops. Our camp is reinforced with supplies flown in by helicopter. The levees will need to be reinforced. The bad weather forecast only reinforces our decision to leave early tomorrow. Some critics say that the movie reinforces negative stereotypes about the military. We do our best to reinforce good conduct in the classroom.
See More

Recent Examples on the Web

Tracy explains in her book that looking at these items may reinforce that your best days are behind you, which affects your mental health and stability. Elizabeth Gulino, House Beautiful, "This is What's Actually Keeping You From KonMari'ing Your House," 3 Apr. 2019 The manufacturing sector has sent mixed signals in recent weeks, but Federal Reserve data released Tuesday reinforces the view that manufacturing has hit a soft patch. Austen Hufford, WSJ, "U.S. Manufacturing Squeezed by Global Slowdown, Trade Pressures," 16 Apr. 2019 Other botanical extracts, like algae, thyme, and marjoram are added to intensely hydrate, reinforce your skin barrier, and retain more water. Glamour, "This Moisturizer Instantly Gives Me Dewy Dumpling Skin," 11 Mar. 2019 The episode also adds a father and a son (played by Bridges’ actual father, Lloyd, and son, Dylan), who form their own special relationship in his absence — reinforcing the story’s theme of how role models shape those who look up to them. Noel Murray, The Verge, "Before Game of Thrones and Nightflyers, George R.R. Martin’s work inspired a great Outer Limits episode," 30 Nov. 2018 That was true amid the tears that night, and it was reinforced repeatedly over the last month as this fantastic tournament played out with the U.S. as bystanders. Rich Campbell, chicagotribune.com, "Missing World Cup can't be in vain for U.S. men's national team," 13 July 2018 Both assistants and those who employ them agree that the fashion industry understands the power social media has to expose abusers, which the #MeToo movement has only reinforced. Amy Odell, The Cut, "In Fashion, Verbal Abuse Is Going Out of Style," 18 June 2018 The information did not include genetic data but nonetheless reinforced anxieties. Julian Hattem, BostonGlobe.com, "Investigators say DNA database can be goldmine for old cases," 16 June 2018 As a writer and producer of television sitcoms about African-Americans, Eunetta T. Boone aimed to get laughs without demeaning her characters or reinforcing stereotypes. James R. Hagerty, WSJ, "Eunetta T. Boone, Creator of ‘One on One’ Sitcom, Strove to Avoid Stereotypes," 5 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reinforce.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of reinforce

15th century, in the meaning defined at transitive sense 1

History and Etymology for reinforce

re- + inforce, alteration of enforce

Keep scrolling for more

Learn More about reinforce

Statistics for reinforce

Last Updated

19 May 2019

Look-up Popularity

Time Traveler for reinforce

The first known use of reinforce was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for reinforce

reinforce

verb

English Language Learners Definition of reinforce

: to strengthen (a group of people) with new supplies or more people
: to strengthen (something, such as clothing or a building) by adding more material for support
: to encourage or give support to (an idea, behavior, feeling, etc.)

reinforce

verb
re·​in·​force | \ ˌrē-ən-ˈfȯrs\
reinforced; reinforcing

Kids Definition of reinforce

1 : to strengthen with new supplies or more people Another squad reinforced the troops.
2 : to strengthen by adding more material for support The wall needs to be reinforced.

reinforce

transitive verb
re·​in·​force | \ ˌrē-ən-ˈfō(ə)rs, -ˈfȯ(ə)rs How to pronounce reinforce (audio) \
reinforced; reinforcing

Medical Definition of reinforce

1 : to strengthen by additional material or support : make stronger reinforced with vitamins
2 : to stimulate (as an experimental animal or a student) by reinforcement also : to encourage (a response) by reinforcement

Other Words from reinforce

reinforceable \ -​ə-​bəl How to pronounce reinforceable (audio) \ adjective

Keep scrolling for more

Comments on reinforce

What made you want to look up reinforce? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

using a distributed computer network

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!