91 entries under swell topic. ×

2
prolong(verb, go, cover, increase, open)
2
protract(verb, go, cover, increase, open)
2
puff up(verb, expression, increase, open, develop)
2
shoot up(verb, expression, get, go, cover)
2
slap on(expression, increase, open, develop, extend)
2
snowball(verb, get, increase, develop, promote)
2
soup up(verb, expression, increase, open, develop)
2
spread(verb, cover, increase, open, develop)
2
spread out(verb, expression, go, cover, increase)
2
thicken(verb, increase, open, develop, extend)
2
unfold(verb, go, cover, increase, open)
2
unroll(verb, go, cover, increase, open)
2
upsurge(verb, increase, open, develop, extend)
2
wax(verb, increase, open, develop, extend)
2
widen(verb, cover, increase, open, develop)
1
aerate(verb, increase, raise, boost)
1
balloon(verb, increase, raise, boost)
1
bloat(verb, increase, open, develop, extend)
1
bolster(verb, increase, open, develop, extend)
1
bulk(verb, increase, develop, extend)
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APASmart Define. (2016). pyramid thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/pyramid/thesaurus/synonyms
ChicagoSmart Define. 2016. "pyramid thesaurus" https://smartdefine.org/pyramid/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, pyramid thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/pyramid/thesaurus/synonyms>.
MLASmart Define. "pyramid thesaurus" 11 February 2016. Web. 29 September 2026. <https://smartdefine.org/pyramid/thesaurus/synonyms>