238 entries under severe topic. ×

1
jangling(adjective, hard, sharp, flat)
1
jarring(adjective, hard, sharp, flat)
1
labored(tough, affected, painful, problematic)
1
laborious(adjective, hard, tough, rough)
1
lean
1
locked in(expression, adjective, tough, firm)
1
mortified(adjective, strong, hard, tough)
1
no-nonsense(adjective, tough, firm, harsh)
1
no picnic(expression, tough, painful, problematic)
1
noisy(adjective, hard, sharp, flat)
1
not easy(expression, tough, painful, problematic)
1
not smooth(expression, adjective, hard, sharp)
1
off-key(adjective, hard, sharp, flat)
1
onerous(tough, correct, harsh, proper)
1
operose(tough, painful, problematic, trying)
1
out-of-key(adjective, hard, sharp, flat)
1
out-of-tune(adjective, hard, sharp, flat)
1
picky(adjective, tough, firm, harsh)
1
piquant
1
problem(tough, painful, problematic, trying)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>