14 entries under undulation topic. ×

13
breaker(noun, rush, swell, flow, wave)
12
swell(noun, increase, rush, deep, flow)
10
surge(noun, rise, rush, boost, swell)
10
wave(noun, rush, swell, flow, surge)
9
billow(noun, rush, swell, flow, wave)
2
ripple(noun, swell, wave, surge)
2
rise(noun, rush, flow, wave, outpouring)
2
roller(noun, swell, wave, surge, ripple)
0
crescendo(noun, wave)
0
flow(noun, rush, wave, outpouring)
0
growth(noun, rush, flow, wave, outpouring)
0
large increase(noun, expression, wave)
0
seat(noun, wave)
0
uprise(noun, wave)
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APASmart Define. (2015). surf thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/surf/thesaurus/synonyms
ChicagoSmart Define. 2015. "surf thesaurus" https://smartdefine.org/surf/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, surf thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/surf/thesaurus/synonyms>.
MLASmart Define. "surf thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/surf/thesaurus/synonyms>