184 entries under swell topic. ×

2
jack up(verb, expression, get, increase, develop)
2
jazz up(verb, expression, increase, develop, extend)
2
make larger(expression, take, cover, increase, open)
2
move up(verb, expression, phrasal verb, increase)
2
mushroom(verb, get, increase, open, develop)
2
originate(verb, advance, turn, raise, produce)
2
pick up(verb, expression, phrasal verb, get, advance)
2
prolong(verb, take, cover, advance, increase)
2
protract(verb, take, cover, advance, increase)
2
puff(verb, increase, develop, rise, issue)
2
puff up(expression, increase, open, develop, rise)
2
run up(verb, expression, form, make, get)
2
slap on(expression, advance, increase, open, develop)
2
soup up(verb, expression, increase, open, develop)
2
spread out(expression, take, cover, increase, open)
2
tack on(verb, expression, advance, increase, open)
2
thicken(verb, advance, increase, open, develop)
2
triple(verb, advance, increase, raise, rise)
2
unfold(verb, take, cover, increase, open)
2
unfurl(verb, take, cover, increase, open)
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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>