121 entries under severe topic. ×

1
hard-core(adjective, strong, hard, tough)
1
hard-shell(adjective, strong, hard, tough)
1
mean(adjective, hard, tough, sharp)
1
mortified(adjective, strong, hard, tough)
1
relentless(adjective, mean, strong, hard, tough)
1
rigorous(adjective, strong, hard, tough)
1
serious(adjective, calm, strong, hard, tough)
1
sharp(adjective, hard, tough, nasty)
1
square(adjective, tough, firm, harsh)
1
stickling(adjective, tough, firm, harsh)
1
stiff(adjective, hard, rough, firm)
1
stringent(adjective, hard, tough, sharp)
1
unpleasant(adjective, hard, tough, sharp)
1
unrelenting(adjective, mean, strong, hard, tough)
1
unsparing(adjective, strong, hard, tough)
1
uptight(adjective, tough, firm, harsh)
0
abusive(adjective, hard, sharp, nasty)
0
acrid(adjective, bleak, stark, austere)
0
asperous(adjective, bleak, stark, austere)
0
bleak(adjective, tough, harsh, cruel)
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APASmart Define. (2016). hard-boiled thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hard-boiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>.
MLASmart Define. "hard-boiled thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms>