17
inferior(adjective, place, mean, light, slight)
17
nugatory(adjective, slight, lower, poor, base)
16
puny(adjective, mean, light, weak, soft)
15
immaterial(adjective, adverb, mean, light, slight)
15
useless(adjective, slight, lower, poor, base)
14
irrelevant(adjective, adverb, mean, slight, lower)
14
secondary(adjective, place, light, slight, lower)
13
indifferent(adjective, slight, lower, cold, value)
13
superficial(adjective, mean, weak, soft, slight)
12
minute(noun, adjective, mean, weak, soft)
11
light(adjective, soft, slight, gentle, low)
10
idle(adjective, slight, small, silly, foolish)
10
inessential(adjective, small, insignificant, trivial, extra)
10
obscure(adjective, mean, simple, lower, poor)
10
peripheral(adjective, silly, foolish, trivial, extra)
10
picayune(adjective, mean, light, slight, lower)
9
contemptible(adjective, mean, lower, obscure, poor)
9
incidental(adjective, mean, slight, small, insignificant)
9
niggling(adjective, silly, foolish, insignificant, trivial)
9
non-essential
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APASmart Define. (2016). unimportant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unimportant/thesaurus/synonyms
ChicagoSmart Define. 2016. "unimportant thesaurus" https://smartdefine.org/unimportant/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, unimportant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unimportant/thesaurus/synonyms>.
MLASmart Define. "unimportant thesaurus" 28 March 2016. Web. 22 September 2026. <https://smartdefine.org/unimportant/thesaurus/synonyms>