76 entries under strengthen topic. ×

1
root for(verb, expression, support, develop, promote)
1
sanction(verb, support, help, develop, favor)
1
smile upon(verb, expression, support, develop, promote)
1
solace(verb, support, develop, promote, favor)
1
soup up(verb, expression, support, increase, sustain)
1
spur(verb, support, help, develop, promote)
1
steady
1
stroke(verb, support, increase, boost, sustain)
1
subscribe to(verb, expression, support, develop, promote)
1
supplement(verb, support, increase, boost, sustain)
1
toughen(verb, support, increase, boost, sustain)
1
underline(verb, support, increase, boost, sustain)
0
bulwark(verb, support, bolster)
0
jack up(verb, expression, support, bolster)
0
jazz up(verb, expression, support, bolster)
0
step up(verb, expression, support, bolster)
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APASmart Define. (2015). back up thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/back_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "back up thesaurus" https://smartdefine.org/back_up/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, back up thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/back_up/thesaurus/synonyms>.
MLASmart Define. "back up thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/back_up/thesaurus/synonyms>