Synonyms|1kAntonyms|253|Broader|5Narrower|1Related|546

443 entries under adjective topic. ×

7
clockwork(exact, strict, scrupulous, detailed)
7
concise(exact, strict, scrupulous, detailed)
7
critical(severe, harsh, precise, rigid)
7
definitive(exact, strict, scrupulous, detailed)
7
detailed(close, correct, solid, exact)
7
dour(tough, severe, firm, harsh)
7
exigent(difficult, heavy, severity, taxing)
7
explicative(exact, strict, scrupulous, detailed)
7
finicky(harsh, thoughtful, precise, sober)
7
firm(noun, strong, hard, complete)
7
free from error(exact, strict, scrupulous, detailed)
7
free from mistakes(exact, strict, scrupulous, detailed)
7
free from vagueness(exact, strict, scrupulous, detailed)
7
grim(strong, hard, tough, severe)
7
inexorable(strong, hard, tough, severe)
7
laborious(hard, tough, severe, rough)
7
letter-perfect(exact, strict, scrupulous, detailed)
7
literal(noun, correct, solid, perfect)
7
obstinate(hard, severe, resolute, rigid)
7
point-device(exact, strict, scrupulous, detailed)
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APASmart Define. (2016). rigorous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms
ChicagoSmart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rigorous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>.
MLASmart Define. "rigorous thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms>