90 entries under insignificant topic. ×

16
unimportant(adjective, adverb, mean, light, slight)
14
trivial(adjective, mean, light, slight, lower)
13
extraneous(adjective, obscure, unimportant, trivial)
13
inconsequential(adjective, mean, slight, lower, value)
12
impertinent(adjective, unimportant, trivial, irrelevant)
12
irrelevant(adjective, adverb, mean, separate, slight)
10
indifferent(adjective, slight, lower, value, inferior)
9
inappropriate(adjective, obscure, unimportant, trivial)
9
trifling(adjective, mean, light, slight, lower)
8
foreign(adjective, obscure, unimportant, trivial)
8
petty(adjective, mean, light, weak, slight)
8
slight(adjective, mean, light, weak, lower)
7
inconsiderable(adjective, mean, slight, lower, value)
7
inessential(adjective, unimportant, inconsequential, irrelevant)
7
negligible(adjective, mean, light, slight, lower)
6
minor(adjective, mean, light, slight, lower)
6
nonessential(adjective, adverb, mean, slight, lower)
5
beside the point(expression, adjective, idiom, adverb, slight)
5
inappreciable(adjective, light, slight, small)
5
irrelative(adjective, unimportant, remote, inconsequential)
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APASmart Define. (2015). immaterial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/immaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "immaterial thesaurus" https://smartdefine.org/immaterial/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, immaterial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/immaterial/thesaurus/synonyms>.
MLASmart Define. "immaterial thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/immaterial/thesaurus/synonyms>