254 entries under boost topic. ×

7
hearten(verb, encourage, raise, delight, excite)
7
inspirit(verb, encourage, raise, delight, stimulate)
7
recruit(verb, get, increase, promote, strength)
7
redouble(verb, advance, increase, develop, raise)
7
uphold(verb, support, hold, help, fix)
6
aggravate(verb, get, advance, increase, develop)
6
stimulate(verb, open, start, promote, encourage)
5
build(verb, advance, increase, open, develop)
5
add to(verb, expression, support, help, charge)
5
aid(verb, support, help, advance, develop)
5
exaggerate(verb, get, advance, increase, develop)
5
help(verb, support, advance, cause, encourage)
5
inspire(verb, open, start, promote, encourage)
5
mount(verb, advance, increase, develop, raise)
5
raise(verb, get, fix, advance, increase)
5
rise(verb, advance, increase, develop, raise)
5
rouse(verb, increase, develop, promote, encourage)
5
sharpen(verb, advance, increase, raise, rise)
5
supplement(verb, support, help, advance, increase)
4
add(verb, increase, improve, swell)
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>