1
austere(adjective, strong, hard, tough, severe)
1
authoritarian(adjective, strong, hard, tough, severe)
1
autodidactic
1
bitter(adjective, strong, hard, tough, severe)
1
bullheaded(adjective, strong, hard, tough, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
chastising
1
coeducational
1
cultural
1
dead set(expression, adjective, tough, severe, firm)
1
disciplines
1
disciplining
1
dour(adjective, tough, severe, firm, harsh)
1
draconian(adjective, tough, severe, firm, harsh)
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
1
edifying
1
educating
1
educational
1
educative
1
enlightening
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). disciplinary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/disciplinary/thesaurus/synonyms
ChicagoSmart Define. 2015. "disciplinary thesaurus" https://smartdefine.org/disciplinary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, disciplinary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/disciplinary/thesaurus/synonyms>.
MLASmart Define. "disciplinary thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/disciplinary/thesaurus/synonyms>