37
increase(noun, verb, act, set, charge)
37
surge(noun, verb, phrasal verb, activity, move)
34
expand(verb, set, charge, cover, advance)
30
splendid(adjective, good, cool, great, excellent)
30
grow(verb, go, charge, cover, advance)
27
enlarge(verb, set, cover, advance, increase)
27
marvelous(adjective, good, cool, great, excellent)
27
quality(adjective, good, job, beautiful, very best kind)
25
fine(adjective, good, cool, great, pleasant)
25
dandy(noun, adjective, good, cool, great)
25
nifty(adjective, good, cool, great, pleasant)
24
terrific(adjective, good, cool, great, excellent)
24
inflate(verb, stop, close, go, cover)
24
rise(noun, verb, phrasal verb, act, advance)
21
wonderful(groovy, great, adjective, excellent, superb)
21
keen(adjective, good, cool, great, pleasant)
21
neat(adjective, good, cool, great, pleasant)
21
fantastic(adjective, good, great, excellent, perfect)
20
distend(verb, stop, close, go, cover)
20
billow(noun, verb, phrasal verb, advance, increase)
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APASmart Define. (2016). swell thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/swell/thesaurus/synonyms
ChicagoSmart Define. 2016. "swell thesaurus" https://smartdefine.org/swell/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, swell thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/swell/thesaurus/synonyms>.
MLASmart Define. "swell thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/swell/thesaurus/synonyms>