The meaning of STRENGTHEN is to make stronger, more forceful, more effective, etc.. How to use strengthen in a sentence.

Define strengthen. strengthen synonyms, strengthen pronunciation, strengthen translation, English dictionary definition of strengthen. v. strength·ened , strength·en·ing , strength·ens v. tr. To make …

STRENGTHEN definition: 1. to make something stronger or more effective, or to become stronger or more effective: 2. to…. Learn more.

STRENGTHEN definition: to make stronger; give strength to. See examples of strengthen used in a sentence.

Definition of strengthen verb from the Oxford Advanced Learner's Dictionary. [intransitive, transitive] to become more powerful or effective; to make somebody/something more powerful or effective. Her …

If something strengthens a person or group or if they strengthen their position, they become more powerful and secure, or more likely to succeed. Giving the president the authority to go to war would …

strength•en /ˈstrɛŋkθən, ˈstrɛn-/ v. to (cause to) grow stronger; give strength (to): [no object] The hurricane strengthened overnight. [~ + object] We'll have to strengthen our defenses.

Jan 20, 2026 · strengthen (third-person singular simple present strengthens, present participle strengthening, simple past and past participle strengthened) (transitive) To make strong or stronger; …

You can strengthen your muscles by working out, or strengthen your brain by learning new words. Anytime you strengthen something, you're making it more resistant, vigorous, or tough.

To strengthen means to make or become stronger, more robust, or more proficient. This could involve increasing physical power, improving a skill or ability, reinforcing a structure or an argument, …