170 entries under severe topic. ×

1
jangling(adjective, hard, sharp, flat)
1
mortified(adjective, strong, hard, tough)
1
mulish(adjective, strong, hard, tough)
1
obstinate(adjective, hard, tough, harsh)
1
off-key(adjective, hard, sharp, flat)
1
out-of-key(adjective, hard, sharp, flat)
1
out-of-tune(adjective, hard, sharp, flat)
1
picky(adjective, harsh, rigid, tight)
1
relentless(adjective, strong, hard, tough)
1
screeching(adjective, hard, sharp, flat)
1
stiff-necked(adjective, strong, hard, tough)
1
tuneless(adjective, hard, sharp, flat)
1
uncontrollable(adjective, hard, harsh, passionate)
1
unkind(adjective, sharp, nasty, harsh)
1
unmanageable(adjective, hard, harsh, foolish)
1
unpermissive(adjective, hard, difficult, harsh)
1
unyielding(adjective, strong, hard, tough)
1
valid(adjective, harsh, stiff, rigid)
1
vexatious(adjective, hard, tough, nasty)
0
brick-wall(adjective, stiff, rigid, tight)
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APASmart Define. (2016). rough thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rough/thesaurus/synonyms
ChicagoSmart Define. 2016. "rough thesaurus" https://smartdefine.org/rough/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rough thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rough/thesaurus/synonyms>.
MLASmart Define. "rough thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/rough/thesaurus/synonyms>