254 entries under boost topic. ×

32
reinforce(verb, support, hold, close, get)
31
fortify(verb, form, support, make, close)
28
brace(noun, verb, form, support, hold)
22
support(noun, verb, hold, help, give)
21
intensify(verb, get, advance, increase, develop)
20
bolster(verb, support, hold, help, give)
19
buttress(noun, verb, support, hold, close)
17
encourage(verb, help, give, keep, maintain)
17
increase(noun, verb, support, get, charge)
15
invigorate(verb, encourage, raise, strength, delight)
15
restore(verb, fix, encourage, raise, strength)
14
steel(verb, form, support, make, dull)
13
enhance(verb, get, advance, increase, develop)
12
animate(verb, promote, encourage, raise, stimulate)
12
energize(verb, support, increase, promote, encourage)
11
advance(verb, support, get, help, increase)
11
empower(verb, power, encourage, stimulate, excite)
10
deepen(verb, advance, increase, raise, rise)
10
develop(verb, form, support, make, dull)
10
heighten(verb, get, fix, advance, increase)
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 25 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>