206 entries under strengthen topic. ×

7
lengthen(verb, take, cover, advance, increase)
6
abet(verb, support, hold, help, give)
6
add to(verb, expression, phrasal verb, support, take)
6
beef up(verb, expression, phrasal verb, support, take)
6
bolster(verb, support, hold, take, help)
6
pick up(verb, expression, phrasal verb, support, move)
6
step up(verb, expression, phrasal verb, support, break)
5
applaud(verb, support, accept, honor, promote)
5
develop(verb, support, take, help, cover)
5
endorse(verb, support, hold, take, help)
5
inspirit(verb, encourage, excite, cheer, restore)
5
jack up(verb, expression, phrasal verb, get, advance)
5
supplement(verb, support, take, cover, advance)
5
sustain(verb, support, hold, help, increase)
4
add(verb, increase, spread, improve, swell)
4
cheer(verb, support, hold, help, increase)
4
exhilarate(verb, encourage, raise, excite, happy)
4
gladden(verb, encourage, excite, prepare, cheer)
4
goad(noun, verb, make, charge, drive)
4
hearten(verb, support, encourage, raise, excite)
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APASmart Define. (2015). boost thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/boost/thesaurus/synonyms
ChicagoSmart Define. 2015. "boost thesaurus" https://smartdefine.org/boost/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, boost thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/boost/thesaurus/synonyms>.
MLASmart Define. "boost thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/boost/thesaurus/synonyms>