toughen

1
as in to strengthen
to increase the ability of (as a muscle) to exert physical force weight lifting will help toughen those flabby muscles of yours

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2
3
as in to stiffen
to make more harsh, uncompromising, or severe attempts to toughen conditions under which waivers from military service would be permitted

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Cite this Entry

“Toughen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toughen. Accessed 20 Jul. 2024.

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