88 entries under difficult topic. ×

34
demanding(adjective, dull, hard, tough, easy)
27
strict(adjective, hard, tough, easy, severe)
26
scrupulous(adjective, hard, tough, severe, fine)
23
rigorous(adjective, hard, tough, severe, fine)
23
severe(adjective, hard, tough, easy, severe)
21
fussy(adjective, accept, hard, tough, fine)
21
rigid(adjective, hard, tough, easy, severe)
20
harsh(adjective, hard, tough, easy, severe)
19
nice(adjective, accept, hard, correct, severe)
17
punctilious(adjective, hard, tough, severe, rough)
16
hard(adjective, dull, tough, easy, severe)
16
stern(adjective, hard, tough, easy, severe)
14
tough(adjective, dull, hard, easy, severe)
13
critical(adjective, hard, tough, severe, fine)
13
exigent(adjective, harsh, heavy, serious)
12
oppressive(adjective, dull, hard, tough, severe)
10
laborious(adjective, dull, hard, tough, severe)
10
strenuous(adjective, dull, tough, severe, rough)
10
stringent(adjective, hard, tough, severe, rough)
9
arduous(adjective, dull, hard, tough, severe)
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APASmart Define. (2016). exacting thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/exacting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exacting thesaurus" https://smartdefine.org/exacting/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, exacting thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/exacting/thesaurus/synonyms>.
MLASmart Define. "exacting thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/exacting/thesaurus/synonyms>