strengthen
[strengk-thuhn, streng-, stren-]
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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RELATED WORDS
bolster, restore, extend, invigorate, establish, support, enlarge, increase, reinforce, sustain, heighten, enhance, toughen, intensify, consolidate, uphold, tone, buttress, rejuvenate, ascend
Origin of strengthen
Synonyms for strengthen
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for strengthened
strengthen
verb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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strengthen
Online Etymology Dictionary, © 2010 Douglas Harper