136 entries under swell topic. ×

38
surge(noun, advance, increase, raise, gain)
24
rise(noun, verb, act, increase, develop)
10
heave(noun, rush, flow, surge)
10
increase(noun, verb, act, advance, increase)
8
advance(noun, verb, increase, raise, rise)
8
boost(noun, verb, act, advance, increase)
7
expand(verb, advance, increase, develop, run)
7
mount(noun, verb, advance, increase, open)
7
rush(noun, movement, increase, rise, sign)
7
wax(verb, advance, increase, open, develop)
6
augment(noun, verb, act, advance, increase)
6
enlarge(verb, advance, increase, open, develop)
6
upturn(noun, act, advance, increase, raise)
6
wave(noun, rush, flow, current)
5
build(verb, advance, increase, develop, run)
5
flood(noun, movement, sign, rush)
5
hike(noun, verb, act, advance, increase)
5
snowball(verb, increase, develop, extend)
4
amplification(noun, act, increase, expansion)
4
ascend(verb, advance, increase, raise)
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APASmart Define. (2015). upsurge thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/upsurge/thesaurus/synonyms
ChicagoSmart Define. 2015. "upsurge thesaurus" https://smartdefine.org/upsurge/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, upsurge thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/upsurge/thesaurus/synonyms>.
MLASmart Define. "upsurge thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/upsurge/thesaurus/synonyms>