81 entries under swell topic. ×

17
annex(noun, verb, fix, increase, accept)
16
augment(verb, increase, rise, improve, boost)
14
increase(verb, support, increase, establish, gain)
12
supplement(noun, verb, increase, complete, follow)
12
multiply(verb, support, increase, consider, determine)
11
tack on(verb, expression, phrasal verb, fix, increase)
10
enlarge(verb, support, increase, establish, rise)
8
aggregate(verb, make, meet, increase, run)
7
extend(verb, support, give, advance, increase)
7
raise(verb, increase, rise, boost)
6
accumulate(verb, make, meet, increase, gain)
6
amplify(verb, increase, improve, boost)
6
enhance(verb, support, increase, establish, rise)
6
expand(verb, increase, rise, boost)
6
magnify(verb, increase, rise, boost)
5
boost(verb, increase, spread, improve)
5
grow(verb, increase, gather, collect)
5
lengthen(verb, increase, rise, boost)
4
advance(verb, give, increase, extend, boost)
4
aggrandize(verb, increase, rise, boost)
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APASmart Define. (2016). add thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/add/thesaurus/synonyms
ChicagoSmart Define. 2016. "add thesaurus" https://smartdefine.org/add/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, add thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/add/thesaurus/synonyms>.
MLASmart Define. "add thesaurus" 16 January 2016. Web. 26 September 2026. <https://smartdefine.org/add/thesaurus/synonyms>