552 entries under adjective topic. ×

6
formal(established, conformity, orderly)
6
hard-boiled(strong, hard, tough, severe)
6
obstinate(hard, tough, moderate, severe)
6
precision(noun, exact, scrupulous, detailed)
6
religious(absolute, accurate, probity)
6
ruthless(hard, rough, harsh, cruel)
6
square(moderate, severe, firm, harsh)
6
steadfast(close, strong, correct, flat)
6
straight(close, correct, moderate, severe)
6
trustworthy(good, close, correct, fair)
6
unsympathetic(tough, severe, harsh, cruel)
6
uptight(tough, severe, firm, informal)
5
abstemious
5
astringent(strong, hard, tough, severe)
5
censorious(severe, fastidiousness)
5
complete(exact, careful, precise, flawless)
5
constant(close, strong, correct, flat)
5
defined(close, correct, solid, exact)
5
despotic
5
disciplined
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APASmart Define. (2015). strict thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>