83 entries under severe topic. ×

28
prudish(adjective, tough, correct, blue)
15
strait-laced(adjective, tough, correct, firm)
12
austere(adjective, tough, firm, harsh)
12
strict(adjective, proper, authoritarian, straitlaced)
11
stuffy(adjective, tough, correct, moderate)
10
rigid(adjective, tough, correct, moderate)
7
precise(adjective, plain)
6
rigorous(adjective, tough, firm, harsh)
6
severe
6
stern(adjective, tough, firm, harsh)
6
uncompromising
5
dour(adjective, tough, firm, harsh)
5
inflexible
5
meticulous
5
scrupulous(adjective, tough, firm, harsh)
5
stiff-necked
5
unbending
4
exacting(adjective, tough, firm, harsh)
4
hidebound
4
intolerant
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APASmart Define. (2015). puritanical thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/puritanical/thesaurus/synonyms
ChicagoSmart Define. 2015. "puritanical thesaurus" https://smartdefine.org/puritanical/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, puritanical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/puritanical/thesaurus/synonyms>.
MLASmart Define. "puritanical thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/puritanical/thesaurus/synonyms>