200 entries under adjective topic. ×

1
unrelenting(mean, harsh, cruel, vicious)
1
vindictive(mean, harsh, cruel, vicious)
1
without pity(expression, mean, severe, harsh)
0
acrimonious(stiff, strict, demanding)
0
austere(tough, rigid, scrupulous)
0
authoritarian(tough, rigid, scrupulous)
0
barbaric
0
beastly
0
bestial
0
binding(stiff, strict, demanding, restrictive)
0
bloodthirsty
0
bloody-minded
0
bound(persistent, constant)
0
bound and determined(expression, idiom, persistent, constant)
0
brick-wall(stiff, strict, demanding, dogged)
0
brutish
0
by the book(expression, idiom, stiff, strict)
0
by the numbers(expression, idiom, stiff, strict)
0
careful
0
cautious
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APASmart Define. (2015). ironfisted thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ironfisted/thesaurus/synonyms
ChicagoSmart Define. 2015. "ironfisted thesaurus" https://smartdefine.org/ironfisted/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, ironfisted thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ironfisted/thesaurus/synonyms>.
MLASmart Define. "ironfisted thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/ironfisted/thesaurus/synonyms>