Definition of reinforcement
- About 8 a.m. Soviet tanks and armored personnel carriers containing reinforcements approached the gorge from the right flank.
- —John Barron
- a bridge in need of steel reinforcements
- positive/negative reinforcement
“We're outnumbered! Call for reinforcements!”
We need to prevent enemy reinforcements from reaching the front line.
The bridge is in need of reinforcement.
You should encourage good behavior with positive reinforcement.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reinforcement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
reinforcements : people and supplies that are sent to help or support an army, military force, etc.
: the act of strengthening or encouraging something
: a thing that strengthens or encourages something
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