104 entries under swell topic. ×

1
open out(verb, expression, phrasal verb, increase, open)
1
outspread(verb, cover, increase, open, develop)
1
piggyback(verb, increase, open, develop, extend)
1
proliferate(verb, advance, increase, raise, rise)
1
puff up(verb, expression, increase, open, develop)
1
pullulate(verb, advance, increase, raise, rise)
1
raise(verb, advance, increase, rise, extend)
1
range(verb, go, cover, open, run)
1
redouble(verb, advance, increase, raise, rise)
1
reinforce(verb, advance, increase, raise, rise)
1
rise(verb, advance, increase, raise, extend)
1
sharpen(verb, advance, increase, raise, rise)
1
soup up(verb, expression, increase, open, develop)
1
step up(verb, expression, advance, increase, raise)
1
supplement(verb, take, cover, advance, increase)
1
swarm(verb, advance, increase, raise, rise)
1
teem(verb, advance, increase, raise, rise)
1
triple(verb, advance, increase, raise, rise)
1
unravel(verb, increase, open, develop, extend)
1
upsurge(verb, increase, open, develop, extend)
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APASmart Define. (2016). prolong thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/prolong/thesaurus/synonyms
ChicagoSmart Define. 2016. "prolong thesaurus" https://smartdefine.org/prolong/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, prolong thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/prolong/thesaurus/synonyms>.
MLASmart Define. "prolong thesaurus" 17 February 2016. Web. 27 September 2026. <https://smartdefine.org/prolong/thesaurus/synonyms>