2
imperceptibly(adverb, lightly, somewhat, marginally)
2
inconsiderably
2
infinitesimally
2
lightly
2
marginally(adverb, lightly, slightly, somewhat, unimportantly)
2
meaninglessly
2
nominally(adverb, slightly)
2
superficially
2
unmeaningly
2
unsubstantially(adverb, unsubstantially)
1
aimlessly
1
barely
1
by a hair(expression, idiom)
1
by an ace(expression, idiom)
1
diminutively
1
emptily(adverb, unsubstantially)
1
ever so little(expression, idiom)
1
exiguously
1
faintly
1
feebly
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APASmart Define. (2015). insignificantly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/insignificantly/thesaurus/synonyms
ChicagoSmart Define. 2015. "insignificantly thesaurus" https://smartdefine.org/insignificantly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, insignificantly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/insignificantly/thesaurus/synonyms>.
MLASmart Define. "insignificantly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/insignificantly/thesaurus/synonyms>