184 entries under swell topic. ×

3
stretch(verb, take, cover, advance, increase)
3
up(verb, get, increase, promote, improve)
3
upsurge(verb, advance, increase, open, develop)
2
ascend(verb, support, advance, increase, raise)
2
become larger(expression, advance, increase, turn, raise)
2
billow(verb, advance, increase, raise, rise)
2
bloat(verb, increase, open, develop, rise)
2
bolster(verb, support, increase, open, develop)
2
bulge(verb, advance, increase, raise, rise)
2
diffuse(verb, increase, open, develop, extend)
2
elaborate(verb, increase, open, develop, extend)
2
embellish(verb, increase, open, develop, agree)
2
embroider(verb, increase, develop, extend, improve)
2
fan out(expression, take, cover, increase, open)
2
fill out(verb, expression, advance, increase, open)
2
flourish(verb, advance, turn, raise, produce)
2
further(verb, advance, increase, raise, rise)
2
go up(verb, expression, phrasal verb, advance, increase)
2
grow larger(verb, expression, increase, develop, rise)
2
intensate(verb, advance, increase, develop, disturb)
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APASmart Define. (2015). heighten thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>