The meaning of STRENGTHEN is to make stronger. How to use strengthen in a sentence.

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

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

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 …

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

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.

Sep 9, 2025 · strengthen (third-person singular simple present strengthens, present participle strengthening, simple past and past participle strengthened) (transitive) To make strong or …

Master the word "STRENGTHEN" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

Find 927 different ways to say STRENGTHEN, along with antonyms, related words, and example sentences at Thesaurus.com.

Find 3,238 synonyms for strengthen and other similar words that you can use instead based on 22 separate contexts from our thesaurus.