Definition of reinforce
- reinforce levees
- reinforce the elbows of a jacket
- reinforce ideas
- reinforce our troops
- were reinforcing their pitching staff
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.
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.
First Known Use: 15th centurySee Words from the same year
: 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.)
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