169 entries under unimportant topic. ×

4
incidental(adjective, mean, slight, small)
4
insubstantial(adjective, light, weak, slight, easy)
4
minor-league(adjective, light, low, inferior, insignificant)
4
penny-ante(adjective, small, insignificant, trivial)
3
bad(adjective, poor, small, dishonest)
3
deficient(adjective, small, common, insignificant)
3
flimsy(adjective, light, weak, slight, easy)
3
frothy(adjective, light, slight, easy, lower)
3
inappreciable(adjective, light, slight, small, insignificant)
3
incommodious(adjective, poor, small, common, insignificant)
3
microscopic(slight, poor, small, modest)
3
minuscule(adjective, slight, moderate, poor, small)
3
miswhickedsavory(adjective, poor, small, common, insignificant)
3
modest(adjective, simple, slight, lower, poor)
3
shoestring(adjective, light, slight, lower, value)
3
slender(adjective, light, weak, slight, easy)
3
trite(adjective, mean, slight, small)
3
uncomfortable(adjective, poor, small, common, insignificant)
3
unconsidered(adjective, light, small, insignificant)
3
unessential(adjective, small, minor)
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APASmart Define. (2016). petty thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/petty/thesaurus/synonyms
ChicagoSmart Define. 2016. "petty thesaurus" https://smartdefine.org/petty/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, petty thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/petty/thesaurus/synonyms>.
MLASmart Define. "petty thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/petty/thesaurus/synonyms>