81 entries under severe topic. ×

1
curt
1
cutting
1
demanding
1
disciplinary(adjective, strong, hard, tough)
1
disciplined
1
draconian
1
dry
1
dyed-in-the-wool(adjective, strong, hard, tough)
1
exacting
1
flinty(adjective, strong, hard, tough)
1
forbidding(adjective, strong, hard, tough)
1
frosty
1
frowning(adjective, strong, hard, tough)
1
fundamental
1
gruff
1
hang-tough(adjective, strong, hard, tough)
1
hard-core(adjective, strong, hard, tough)
1
hard-line(adjective, strong, hard, tough)
1
hard-shell(adjective, strong, hard, tough)
1
icy
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APASmart Define. (2015). stiff-necked thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiff-necked/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiff-necked thesaurus" https://smartdefine.org/stiff-necked/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, stiff-necked thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiff-necked/thesaurus/synonyms>.
MLASmart Define. "stiff-necked thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/stiff-necked/thesaurus/synonyms>