Synonyms|733Antonyms|207|Broader|5Narrower|0Related|193

138 entries under strict topic. ×

1
immutable(adjective, set, hard, stiff, rigid)
1
implacable(adjective, harsh, cruel, determined, fierce)
1
intemperate(adjective, hard, tough, severe, rough)
1
intolerable(adjective, tough, severe, harsh, cruel)
1
intractable(adjective, set, hard, stiff, rigid)
1
iron(adjective, set, hard, stiff, rigid)
1
iron-fisted(adjective, tough, severe, firm, harsh)
1
perverse(adjective, tough, severe, harsh, cruel)
1
pitiless(adjective, hard, severe, harsh, cruel)
1
remorseless(adjective, harsh, cruel, determined, fierce)
1
resentful(adjective, tough, severe, harsh, cruel)
1
resolute(adjective, hard, rigid, inflexible)
1
ruthless(adjective, hard, severe, harsh, cruel)
1
single-minded(adjective, harsh, cruel, determined, fierce)
1
staunch(adjective, set, hard, stiff, rigid)
1
steadfast(adjective, set, hard, stiff, rigid)
1
steely(adjective, set, hard, stiff, rigid)
1
unadaptable(adjective, set, hard, stiff, rigid)
1
unchangeable(adjective, set, hard, stiff, rigid)
1
uncompliant(adjective, set, hard, stiff, rigid)
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APASmart Define. (2015). stringent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, stringent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>.
MLASmart Define. "stringent thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms>