68 entries under tough topic. ×

40
finicky(adjective, accept, complete, sharp)
36
fastidious(adjective, accept, sharp, fine)
30
picky(adjective, accept, sharp, fine)
23
exacting(adjective, accept, hard, fine)
20
critical(adjective, hard, sharp, fine)
17
demanding(adjective, hard, difficult, full)
17
difficult(adjective, hard, difficult, harsh)
10
querulous(adjective, hard, difficult, critical)
9
strict(adjective, hard, harsh, exact)
7
hard to please(expression, adjective, idiom, difficult)
6
rigid(adjective, harsh, strict, particular)
6
severe(adjective, hard, difficult, harsh)
4
irritable(adjective, difficult, anxious, worried)
3
bothersome(adjective, hard, difficult, problematic)
3
laborious(adjective, difficult, problematic, trying)
3
stiff(adjective, particular, problematic, trying)
3
trying(adjective, hard, difficult, harsh)
2
arduous(adjective, hard, difficult, problematic)
2
burdensome(adjective, difficult, harsh, rigid)
2
fractious(adjective, problematic, trying)
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APASmart Define. (2015). fussy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/fussy/thesaurus/synonyms
ChicagoSmart Define. 2015. "fussy thesaurus" https://smartdefine.org/fussy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, fussy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/fussy/thesaurus/synonyms>.
MLASmart Define. "fussy thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/fussy/thesaurus/synonyms>