17
petty(adjective, weak, slight, important, small)
16
trivial(adjective, small, insignificant, unimportant, feeble)
15
piddling(adjective, important, small, insignificant, feeble)
13
trifling(adjective, weak, important, small, insignificant)
12
picayune(adjective, weak, important, small, insignificant)
11
insignificant(adjective, weak, small, unimportant, feeble)
10
paltry(adjective, important, small, foolish, insignificant)
9
inconsequential(adjective, weak, small, insignificant, unimportant)
9
negligible(adjective, slight, important, small, insignificant)
9
nugatory(adjective, slight, important, small, trivial)
9
unimportant(adjective, silly, foolish, insignificant, trivial)
8
finical(adjective, unimportant, unimportance, finicky)
8
frivolous(adjective, slight, small, silly, insignificant)
8
fussy(adjective, severe, sharp, harsh, critical)
8
little(adjective, weak, small, insignificant, feeble)
7
footling
7
minor(adjective, small, silly, foolish, insignificant)
7
nit-picking(adjective, severe, harsh, critical, demanding)
7
piffling
6
carping(adjective, severe, harsh, critical, demanding)
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APASmart Define. (2015). niggling thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/niggling/thesaurus/synonyms
ChicagoSmart Define. 2015. "niggling thesaurus" https://smartdefine.org/niggling/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, niggling thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/niggling/thesaurus/synonyms>.
MLASmart Define. "niggling thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/niggling/thesaurus/synonyms>