206 entries under strengthen topic. ×

4
invigorate(verb, encourage, excite, animate)
4
spur(noun, verb, support, make, charge)
4
widen(verb, take, cover, advance, increase)
3
aggravate(verb, get, advance, increase, promote)
3
buttress(verb, support, help, increase, maintain)
3
countenance(verb, support, hold, take, help)
3
exaggerate(verb, get, advance, increase, develop)
3
favor(noun, verb, support, take, help)
3
give a lift(verb, expression, idiom, support, take)
3
hold up(verb, expression, phrasal verb, support, help)
3
pad(verb, take, cover, advance, increase)
3
perk up(verb, expression, get, advance, increase)
3
pyramid(verb, get, increase, develop, promote)
3
quicken(verb, help, advance, increase, run)
3
sanction(verb, support, take, accept, develop)
2
animate(verb, encourage, excite, prepare, cheer)
2
back up(verb, expression, support, help, advance)
2
brace(verb, support, help, develop, maintain)
2
brace up(verb, expression, phrasal verb, support, take)
2
brighten(verb, increase, encourage, raise, severe)
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APASmart Define. (2015). boost thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/boost/thesaurus/synonyms
ChicagoSmart Define. 2015. "boost thesaurus" https://smartdefine.org/boost/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, boost thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/boost/thesaurus/synonyms>.
MLASmart Define. "boost thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/boost/thesaurus/synonyms>