875 entries under verb topic. ×

11
empower(power, encourage, stimulate, excite)
11
temper(close, set, fix, encourage)
10
boost(support, get, help, advance)
10
deepen(advance, increase, raise, rise)
10
develop(form, support, make, dull)
10
heighten(get, fix, advance, increase)
10
prop(support, hold, help, fix)
10
refresh(fix, promote, encourage, raise)
10
rejuvenate(fix, encourage, raise, return)
10
shore up(expression, phrasal verb, support, help)
9
augment(support, get, help, advance)
9
back(support, open, keep, develop)
9
back up(expression, phrasal verb, support, increase)
9
beef up(expression, phrasal verb, support, increase)
9
build up(expression, phrasal verb, form, support)
9
consolidate(support, close, set, fix)
9
gird(form, support, make, close)
9
improve(support, fix, increase, develop)
9
magnify(get, advance, increase, develop)
9
sustain(support, hold, help, give)
10 years ago|19k views|share |citing 
APASmart Define. (2016). strengthen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 29 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>