173 entries under severe topic. ×

1
hard-nosed(adjective, strong, hard, tough)
1
hard-shell(adjective, strong, hard, tough)
1
hardheaded(adjective, strong, hard, tough)
1
have goose bumps(expression, idiom, cool, keen)
1
hawkish(adjective, cool, keen, sharp)
1
hoarse(adjective, hard, sharp, flat)
1
icebox(adjective, cool, keen, sharp)
1
implacable(adjective, strong, hard, tough)
1
incompatible(adjective, hard, sharp, flat)
1
inexorable(adjective, strong, hard, tough)
1
inflexible(adjective, set, strong, hard, tough)
1
inhospitable(adjective, mean, nasty, unfriendly)
1
jagged(adjective, hard, sharp, flat)
1
jangling(adjective, hard, sharp, flat)
1
jarring(adjective, hard, sharp, flat)
1
mortified(adjective, strong, hard, tough)
1
mulish(adjective, strong, hard, tough)
1
noisy(adjective, hard, sharp, flat)
1
not smooth(expression, adjective, hard, sharp)
1
numbed(adjective, cool, keen, sharp)
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APASmart Define. (2016). bitter thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/bitter/thesaurus/synonyms
ChicagoSmart Define. 2016. "bitter thesaurus" https://smartdefine.org/bitter/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, bitter thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/bitter/thesaurus/synonyms>.
MLASmart Define. "bitter thesaurus" 22 March 2016. Web. 26 September 2026. <https://smartdefine.org/bitter/thesaurus/synonyms>