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strengthen

[ strengk-thuhn, streng-, stren- ]
/ ˈstrɛŋk θən, ˈstrɛŋ-, ˈstrɛn- /
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See synonyms for: strengthen / strengthened / strengthening / strengthener on Thesaurus.com

verb (used with object)
to make stronger; give strength to.
Phonetics. to change (a speech sound) to an articulation requiring more effort, as from fricative to stop or nongeminate to geminate.
verb (used without object)
to gain strength; grow stronger.
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Origin of strengthen

First recorded in 1250–1300, strengthen is from the Middle English word strengthnen.See strength, -en1

OTHER WORDS FROM strengthen

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use strengthen in a sentence

British Dictionary definitions for strengthen

strengthen
/ (ˈstrɛŋθən) /

verb
to make or become stronger

Derived forms of strengthen

strengthener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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