145 entries under improve topic. ×

9
sustain(verb, support, hold, help, give)
8
promote(verb, support, get, increase, develop)
8
renew(verb, fix, encourage, raise, gain)
7
amplify(verb, get, advance, increase, develop)
7
enlarge(verb, support, get, advance, increase)
7
reanimate(verb, fix, encourage, raise, gain)
7
revive(verb, fix, promote, encourage, raise)
5
add to(verb, expression, support, help, charge)
5
aid(verb, support, help, advance, develop)
5
exaggerate(verb, get, advance, increase, develop)
5
raise(verb, get, fix, advance, increase)
4
add(verb, increase, boost, swell)
4
assist(verb, support, help, advance, develop)
4
exalt(verb, get, fix, increase, develop)
4
revitalize(verb, fix, promote, encourage, raise)
4
swell(verb, charge, advance, increase, develop)
3
aggrandize(verb, advance, increase, develop, raise)
3
better(verb, raise, gain, deliver)
3
boom(verb, increase, develop, grow)
3
comfort(verb, support, develop, promote, encourage)
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>