Synonyms|555Antonyms|160|Broader|1Narrower|0Related|403

62 entries under strong topic. ×

2
unsparing(adjective, hard, tough, severe)
1
astringent(adjective, hard, tough, severe)
1
authoritarian(adjective, hard, tough, severe)
1
bitter(adjective, hard, tough, severe)
1
by the book(expression, adjective, idiom, hard)
1
cruel(adjective, hard, tough, severe)
1
disciplinary(adjective, hard, tough, severe)
1
dyed-in-the-wool(adjective, set, hard, tough)
1
frowning(adjective, hard, tough, severe)
1
hang-tough(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
insensible(adjective, hard, tough, dead)
1
mortified(adjective, hard, tough, severe)
1
mulish(adjective, hard, tough, severe)
1
thick(adjective, hard, tough, firm)
0
ferric(adjective, hard, tough, sturdy)
0
heavy(adjective, dull, hard, tough)
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ChicagoSmart Define. 2015. "steely thesaurus" https://smartdefine.org/steely/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, steely thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/steely/thesaurus/synonyms>.
MLASmart Define. "steely thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/steely/thesaurus/synonyms>