122 entries under adjective topic. ×

2
strict(severe, firm, harsh, stiff)
2
tough(severe, firm, harsh, rigid)
2
uncompromising(cruel, pitiless, heartless, hardhearted)
2
unrelenting(mean, severe, harsh, cruel)
2
unsympathetic(mean, severe, harsh, cruel)
1
acrimonious(severe, harsh, stiff, rigid)
1
austere(tough, severe, firm, harsh)
1
authoritarian(tough, severe, firm, harsh)
1
barbarous(mean, severe, harsh, cruel)
1
binding(severe, harsh, stiff, rigid)
1
bound(persistent, constant, pitiless, unyielding)
1
bound and determined(expression, idiom, persistent, constant)
1
brick-wall(severe, stiff, rigid, tight)
1
by the book(expression, idiom, severe, harsh)
1
by the numbers(expression, idiom, severe, harsh)
1
callous(mean, severe, harsh, cruel)
1
ceaseless(persistent, constant, pitiless, unyielding)
1
cold-blooded(cruel, pitiless, heartless, hardhearted)
1
cold-fisted
1
compassionless(mean, severe, harsh, cruel)
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APASmart Define. (2015). iron-fisted thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/iron-fisted/thesaurus/synonyms
ChicagoSmart Define. 2015. "iron-fisted thesaurus" https://smartdefine.org/iron-fisted/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, iron-fisted thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/iron-fisted/thesaurus/synonyms>.
MLASmart Define. "iron-fisted thesaurus" 6 February 2015. Web. 30 September 2026. <https://smartdefine.org/iron-fisted/thesaurus/synonyms>