Synonyms|266Antonyms|6|Broader|1Narrower|4Related|4
1
regular(adjective, exact, careful, precise, neat)
1
regulation(noun, style, rule, practice, system)
1
relentless(adjective, strong, hard, tough, severe)
1
rigid(adjective, strong, hard, tough, severe)
1
rigorous(adjective, strong, hard, tough, severe)
1
rite(noun, style, rule, practice, system)
1
ritual(noun, style, rule, practice, system)
1
ropes(noun, style, rule, practice, system)
1
rough(adjective, strong, hard, tough, severe)
1
scrupulous(adjective, exact, careful, regular, neat)
1
serious(adjective, strong, hard, tough, severe)
1
setup(noun, style, rule, practice, system)
1
severe(adjective, strong, hard, tough, harsh)
1
steely(adjective, strong, hard, tough, severe)
1
stern(adjective, serious, authoritarian)
1
stiff(adjective, severe, harsh, rigid, tight)
1
stiff-necked(adjective, strong, hard, tough, severe)
1
strict(adjective, strong, hard, tough, severe)
1
stringent(adjective, rigid, tight)
1
structured(adjective, exact, careful, regular, neat)
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ChicagoSmart Define. 2013. "by the book thesaurus" https://smartdefine.org/by_the_book/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, by the book thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/by_the_book/thesaurus/synonyms>.
MLASmart Define. "by the book thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/by_the_book/thesaurus/synonyms>