150 entries under adjective topic. ×

1
stern(serious, authoritarian)
1
stiff(severe, harsh, rigid, tight)
1
stiff-necked(strong, hard, tough, severe)
1
strict(strong, hard, tough, severe)
1
stringent(rigid, tight)
1
structured(exact, careful, regular, neat)
1
systematic(exact, careful, regular, precise)
1
tidy(exact, careful, regular, precise)
1
to the point(expression, idiom, precise, accurate)
1
together(exact, careful, regular, neat)
1
tough(strong, hard, severe, harsh)
1
unrelenting(strong, hard, tough, severe)
1
unsparing(strong, hard, tough, harsh)
1
valid(severe, harsh, stiff, rigid)
1
very accurate(expression, precise, accurate, dead-on)
1
well-regulated(exact, careful, regular, neat)
0
adamant(strong, hard, tough, sturdy)
0
adamantine(strong, hard, tough, sturdy)
0
choicy
0
comely(modest, polite, decent, moral)
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APASmart Define. (2013). by the book thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/by_the_book/thesaurus/synonyms
ChicagoSmart Define. 2013. "by the book thesaurus" https://smartdefine.org/by_the_book/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, by the book thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/by_the_book/thesaurus/synonyms>.
MLASmart Define. "by the book thesaurus" 19 May 2013. Web. 30 September 2026. <https://smartdefine.org/by_the_book/thesaurus/synonyms>