Meaning & use

strengthen

verb·Everyday

To make or become stronger, more powerful, or more effective.

See it in a sentence

Regular exercise helped strengthen her legs after the knee injury healed.

The two countries signed a treaty to strengthen economic ties.

A note on using this word

Strengthen applies to physical, emotional, and abstract things alike, from muscles to arguments to relationships.

Words with a similar meaning

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Words with an opposite meaning

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