191 entries under tough topic. ×

1
labored(severe, affected, painful, problematic)
1
laborious(adjective, hard, severe, rough)
1
locked in(expression, adjective, severe, firm)
1
mortified(adjective, strong, hard, severe)
1
no-nonsense(adjective, severe, firm, harsh)
1
no picnic(expression, severe, painful, problematic)
1
not easy(expression, severe, painful, problematic)
1
onerous(correct, severe, harsh, proper)
1
operose(severe, painful, problematic, trying)
1
ornery(adjective, firm, unreasonable, grim)
1
picky(adjective, severe, firm, harsh)
1
problem(severe, painful, problematic, trying)
1
problematic(severe, painful, trying)
1
prohibitive(severe, painful, problematic, trying)
1
rude(adjective, severe, difficult, awkward)
1
stickling(adjective, correct, severe, firm)
1
strenuous(severe, painful, problematic, trying)
1
tiresome(grim, problematic, trying, troublesome)
1
toilsome(severe, painful, problematic, trying)
1
trying(adjective, severe, harsh, grim)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>