190 entries under increase topic. ×

3
broaden(verb, advance, raise, rise)
3
burgeon(verb, encourage, swell, uphold)
3
double(verb, advance, raise, rise)
3
escalate(verb, get, advance, develop)
3
expand(verb, charge, advance, develop)
3
extend(verb, advance, develop, raise)
3
further(verb, support, advance, develop)
3
heat up(verb, expression, support, raise)
3
shoot up(verb, expression, get, promote)
3
thicken(verb, close, set, fix, advance)
2
accelerate(verb, develop, promote, stimulate)
2
accumulate(verb, develop, reduce, rise)
2
amass(verb, develop, reduce, secure)
2
appreciate(verb, develop, improve, swell)
2
assemble(verb, form, make, get, place)
2
balloon(mount, soar)
2
brighten(verb, encourage, raise, severe)
2
carry(verb, support, hold, help, set)
2
complement(verb, develop, improve, expand)
2
elevate(verb, open, develop, start)
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 27 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>