254 entries under boost topic. ×

2
praise(verb, encourage, excite, prepare)
2
prime(verb, form, make, place, charge)
2
proliferate(verb, advance, increase, raise, rise)
2
prolong(verb, advance, increase, raise, rise)
2
prop up(verb, expression, support, increase, encourage)
2
pyramid(verb, get, increase, develop, promote)
2
reassure(verb, support, develop, promote, encourage)
2
rendezvous(verb, get, increase, promote)
2
revivify(verb, fix, encourage, return, excite)
2
run up(expression, get, increase, promote)
2
sanction(verb, support, develop, encourage, favor)
2
send through the roof(verb, expression, idiom, get, increase)
2
solace(verb, support, develop, promote, encourage)
2
subsidize(verb, support, open, keep, develop)
2
swarm(verb, advance, increase, reduce, raise)
2
tack on(verb, expression, hold, advance, increase)
2
triple(verb, advance, increase, raise, rise)
2
up(verb, get, increase, promote)
2
uplift(verb, encourage, comfort, lift)
2
widen(verb, advance, increase, raise, rise)
10 years ago|19k views|share |citing 
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>