80 entries under adverb topic. ×

7
insignificantly(thoughtlessly, irrelevantly)
5
trivially(thoughtlessly, superficially, irrelevantly)
4
lightly
4
superficially(lightly, apparently, seemingly, ignorantly)
3
carelessly
3
flippantly(quietly, softly, gently)
3
inconsequentially(thoughtlessly, irrelevantly)
3
vainly
2
airily
2
foolishly
2
giddily
2
irrelevantly
2
playfully
2
shallowly
2
thoughtlessly(quietly, softly, gently)
2
triflingly
1
amusingly
1
arbitrarily
1
at first glance(expression, idiom, apparently, seemingly)
1
banally
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APASmart Define. (2015). frivolously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frivolously/thesaurus/synonyms
ChicagoSmart Define. 2015. "frivolously thesaurus" https://smartdefine.org/frivolously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, frivolously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frivolously/thesaurus/synonyms>.
MLASmart Define. "frivolously thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/frivolously/thesaurus/synonyms>