6
fiddling
6
hypercritical(adjective, severe, harsh, critical, demanding)
6
less
6
lilliputian
6
measly(adjective, light, slang, important, small)
6
puny(adjective, weak, slight, small, insignificant)
6
quibbling(verb, adjective, critical, dissatisfied, disparaging)
6
small(adjective, weak, slight, important, insignificant)
6
worrying(adjective, bad, uneasy, sorrowful, oppressive)
5
annoying
5
captious(adjective, severe, sharp, harsh, critical)
5
finicky(adjective, severe, harsh, critical, demanding)
5
inconsiderable(adjective, important, small, insignificant, unimportant)
5
irritating
5
overcritical(adjective, severe, harsh, critical, demanding)
5
pettifogging(adjective, light, base, inferior, insignificant)
5
slight(adjective, small, insignificant, unimportant, trivial)
5
worrisome
4
critical(adjective, severe, harsh, dissatisfied, unfavorable)
4
fault-finding(adjective, critical, demanding, unfavorable, disapproving)
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APASmart Define. (2015). niggling thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/niggling/thesaurus/synonyms
ChicagoSmart Define. 2015. "niggling thesaurus" https://smartdefine.org/niggling/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, niggling thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/niggling/thesaurus/synonyms>.
MLASmart Define. "niggling thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/niggling/thesaurus/synonyms>