52 entries under unimportant topic. ×

2
not at issue(expression, idiom, insignificant, irrelevant)
2
off the subject(expression, idiom, insignificant, irrelevant)
2
pointless(insignificant, irrelevant, superfluous, unconnected)
1
marginal(adjective, slight, small, subordinate)
1
minute(mean, slight, small, trivial)
1
not important(expression, slight, small, insignificant)
1
not to the purpose(expression, idiom, insignificant, irrelevant)
1
piddling(adjective, mean, slight, small)
1
puny(adjective, mean, slight, small)
1
unrelated(insignificant, irrelevant, superfluous, unconnected)
1
valueless(adjective, slight, small)
1
wide of the mark(expression, idiom, insignificant, irrelevant)
1
wide of the point(expression, idiom, insignificant, irrelevant)
1
worthless(adjective, slight, small)
0
atomic(slight, small)
0
diminutive(mean, slight, small, trivial)
0
evanescent(slight, small)
0
everyday(mean, slight, small, casual)
0
flimsy(slight, small)
0
inappreciable(slight, small)
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APASmart Define. (2016). incidental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms
ChicagoSmart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, incidental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>.
MLASmart Define. "incidental thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms>