Synonyms|477Antonyms|16|Broader|10Narrower|0Related|61

107 entries under strengthen topic. ×

1
severe(verb, increase, raise, boost, aggravate)
1
sharpen(verb, increase, raise, severe, boost)
1
shore up(verb, expression, support, increase, sustain)
1
slap on(verb, expression, increase, develop, secure)
1
solidify(develop, secure, join, unite, combine)
1
soup up(verb, expression, support, increase, sustain)
1
spike(verb, increase, raise, severe, boost)
1
stabilize(develop, secure, join, unite, combine)
1
stand up for(verb, expression, idiom, support, increase)
1
step up(verb, expression, increase, raise, severe)
1
stiffen(verb, support, increase, sustain, uphold)
1
stroke(verb, support, increase, boost, sustain)
1
support(verb, help, advance, increase, cause)
1
sustain(verb, support, increase, promote, stimulate)
1
tag on(verb, expression, increase, develop, secure)
1
tie in(verb, expression, cover, develop, secure)
1
tone up(verb, expression, increase, raise, severe)
1
toughen(verb, support, increase, boost, sustain)
1
underline(verb, support, increase, boost, sustain)
1
unify(develop, secure, join, unite, combine)
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APASmart Define. (2015). add to thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/add_to/thesaurus/synonyms
ChicagoSmart Define. 2015. "add to thesaurus" https://smartdefine.org/add_to/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, add to thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/add_to/thesaurus/synonyms>.
MLASmart Define. "add to thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/add_to/thesaurus/synonyms>