Synonyms|231Antonyms|1|Broader|0Narrower|0Related|38

57 entries under strong topic. ×

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-boiled(adjective, hard, tough, severe)
1
hard-core(adjective, hard, tough, severe)
1
hard-nosed(adjective, hard, tough, severe)
1
hardheaded(adjective, hard, tough, severe)
1
mortified(adjective, hard, tough, severe)
1
mulish(adjective, hard, tough, severe)
1
rough(adjective, hard, tough, severe)
1
serious(adjective, hard, tough, severe)
1
steely(adjective, hard, tough, severe)
1
stiff-necked(adjective, hard, tough, severe)
1
tough(adjective, hard, severe, harsh)
1
unrelenting(adjective, hard, tough, severe)
1
unsparing(adjective, hard, tough, severe)
1
unyielding(adjective, hard, tough, severe)
0
adamantine(adjective, hard, tough, sturdy)
0
dense(adjective, hard, tough, sturdy)
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ChicagoSmart Define. 2013. "hard-shell thesaurus" https://smartdefine.org/hard-shell/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, hard-shell thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-shell/thesaurus/synonyms>.
MLASmart Define. "hard-shell thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/hard-shell/thesaurus/synonyms>