80 entries under difficult topic. ×

40
finicky(adjective, accept, complete, tough, sharp)
23
exacting(adjective, accept, hard, tough, fine)
20
critical(adjective, hard, tough, sharp, fine)
17
demanding(adjective, hard, tough, full)
17
difficult(adjective, hard, tough, harsh)
10
querulous(adjective, hard, tough, critical)
9
fretful(adjective, critical, particular, meticulous)
7
cross(adjective, critical, complaining)
7
hard to please(expression, adjective, idiom, tough)
6
grouchy(adjective, critical, complaining)
6
severe(adjective, hard, tough, harsh)
5
fault-finding(adjective, critical, demanding, unfavorable)
5
troublesome(adjective, whining)
4
cantankerous(adjective, critical, complaining)
4
carping(adjective, severe, harsh, critical)
4
harsh
4
irritable(adjective, tough, anxious, worried)
4
strenuous(adjective, thorough, meticulous, painstaking)
3
bothersome(adjective, hard, tough, problematic)
3
complex(adjective, fancy, exact, involved)
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APASmart Define. (2015). fussy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fussy/thesaurus/synonyms
ChicagoSmart Define. 2015. "fussy thesaurus" https://smartdefine.org/fussy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fussy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fussy/thesaurus/synonyms>.
MLASmart Define. "fussy thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fussy/thesaurus/synonyms>