81 entries under tough topic. ×

2
draconian(adjective, severe, firm, harsh)
2
prudish(adjective, severe, firm, harsh)
2
puritanical(adjective, severe, firm, harsh)
2
relentless(adjective, strong, hard, severe)
2
rugged(adjective, strong, hard, sturdy)
2
stiff-necked(adjective, strong, hard, severe)
2
strait-laced(adjective, severe, firm, harsh)
2
stubborn(adjective, strong, hard, severe)
2
stuffy(adjective, severe, firm, harsh)
2
unbending(adjective, strong, hard, severe)
2
unrelenting(adjective, strong, hard, severe)
1
adamant(adjective, strong, hard, sturdy)
1
adamantine(adjective, strong, hard, sturdy)
1
bitter(adjective, strong, hard, severe)
1
bullheaded(adjective, strong, hard, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
cruel(adjective, strong, hard, severe)
1
dead set(expression, adjective, severe, firm)
1
disciplinary(adjective, strong, hard, severe)
1
dyed-in-the-wool(adjective, strong, hard, severe)
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APASmart Define. (2015). authoritarian thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/authoritarian/thesaurus/synonyms
ChicagoSmart Define. 2015. "authoritarian thesaurus" https://smartdefine.org/authoritarian/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, authoritarian thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/authoritarian/thesaurus/synonyms>.
MLASmart Define. "authoritarian thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/authoritarian/thesaurus/synonyms>