1
as in to harden
to increase the ability of (as a muscle) to exert physical force
lifting weights every day will eventually strengthen your muscles the army makes new recruits run for miles in order to strengthen them
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2
as in to fortify
to make able to withstand physical hardship, strain, or exposure
required weeks of physical therapy to strengthen his arm enough to pitch for the team again
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3
as in to enhance
to make markedly greater in measure or degree
encouraged the boarding school students to strengthen their ties with the community by doing public service
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4
as in to brace
to prepare (oneself) mentally or emotionally
strengthened herself for the moment she'd have to tell her friend that she had lost the borrowed necklace
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Cite this Entry
“Strengthen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/strengthen. Accessed 2 Sep. 2026.
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