Synonyms|266Antonyms|6|Broader|1Narrower|4Related|4

56 entries under strong topic. ×

1
astringent(adjective, hard, tough, severe)
1
austere(adjective, hard, tough, severe)
1
authoritarian(adjective, hard, tough, severe)
1
bitter(adjective, hard, tough, severe)
1
bullheaded(adjective, hard, tough, severe)
1
disciplinary(adjective, hard, tough, severe)
1
dyed-in-the-wool(adjective, hard, tough, severe)
1
flinty(adjective, hard, tough, severe)
1
forbidding(adjective, hard, tough, severe)
1
frowning(adjective, hard, tough, severe)
1
grim(adjective, hard, tough, severe)
1
hang-tough(adjective, hard, tough, severe)
1
hard(adjective, tough, severe, harsh)
1
hard-boiled(adjective, hard, tough, severe)
1
hard-core(adjective, hard, tough, severe)
1
hard-line(adjective, hard, tough, severe)
1
hard-nosed(adjective, hard, tough, severe)
1
hard-shell(adjective, hard, tough, severe)
1
hardheaded(adjective, hard, tough, severe)
1
harsh(adjective, hard, tough, severe)
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APASmart Define. (2013). by the book thesaurus. Retrieved September 29, 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 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>