reinforce

verb re·in·force \ ˌrē-ən-ˈfȯrs \
variants: or less commonly
Updated on: 15 Nov 2017

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 3); also : to encourage (a response) by reinforcement
intransitive verb
: to seek or get reinforcements

reinforceable

play \ˌrē-ən-ˈfȯr-sə-bəl\ adjective

Examples of reinforce in a Sentence

  1. The captain sent out another squad to reinforce the troops.

  2. Our camp is reinforced with supplies flown in by helicopter.

  3. The levees will need to be reinforced.

  4. The bad weather forecast only reinforces our decision to leave early tomorrow.

  5. Some critics say that the movie reinforces negative stereotypes about the military.

  6. We do our best to reinforce good conduct in the classroom.

Recent Examples of reinforce from the Web

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.

Origin and Etymology of reinforce

re- + inforce, alteration of enforce

reinforce Synonyms


REINFORCE Defined for English Language Learners

reinforce

verb

Definition of reinforce for English Language Learners

  • : 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 Defined for Kids

reinforce

verb re·in·force \ ˌrē-ən-ˈfȯrs \

Definition of reinforce for Students

reinforced; reinforcing
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.

Medical Dictionary

reinforce

transitive verb re·in·force \ ˌrē-ən-ˈfō(ə)rs, -ˈfȯ(ə)rs \

medical Definition of reinforce

reinforced; reinforcing
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

reinforceable

play \-ə-bəl\ adjective


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