16
correct(adjective, close, hard, right, severe)
15
conscientious(adjective, good, close, correct, fair)
15
firm(noun, adjective, close, strong, hard)
15
nice(adjective, feature, correct, right, slight)
15
punctilious(adjective, hard, correct, severe, rough)
15
tough(adjective, strong, hard, easy, severe)
14
critical(adjective, hard, tough, severe, sharp)
14
faithful(adjective, close, correct, right, appropriate)
14
just(adjective, adverb, close, correct, right)
14
particular(adjective, quality, correct, fine, solid)
13
definite(adjective, strong, hard, correct, severe)
13
fine(adjective, feature, slight, exact, difference)
13
proper(adjective, hard, correct, right, severe)
12
fastidious(adjective, sharp, exact, careful, precise)
12
unyielding(adjective, strong, hard, tough, easy)
11
literal(adjective, correct, moderate, honest, solid)
11
oppressive(adjective, hard, tough, severe, rough)
10
delicate(adjective, feature, slight, sharp, exact)
10
minute(adjective, feature, slight, property, difference)
10
relentless(adjective, strong, hard, tough, severe)
11 years ago|31k views|share |citing 
APASmart Define. (2015). strict thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 20 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>