Synonyms|251Antonyms|39|Broader|2Narrower|0Related|383

57 entries under rugged topic. ×

6
stiff-necked(adjective, strong, hard, tough, firm)
6
hard-nosed(adjective, strong, hard, tough, determined)
6
strong(adjective, set, hard, strength, tough)
6
sturdy(adjective, strong, hard, strength, tough)
5
rigorous(adjective, set, strong, hard, tough)
4
bullheaded(adjective, strong, hard, tough, severe)
3
robust(adjective, strong, hard, strength, tough)
2
dense(adjective, set, strong, hard, tough)
2
hard-boiled(adjective, strong, hard, tough, sturdy)
2
hard-core(adjective, strong, hard, tough, sturdy)
2
harsh(adjective, strong, hard, tough, severe)
2
heavy(adjective, strong, hard, tough, sturdy)
2
severe(adjective, strong, hard, tough, harsh)
2
strict(adjective, set, strong, hard, tough)
1
austere(adjective, strong, hard, tough, severe)
1
authoritarian(adjective, strong, hard, tough, sturdy)
1
dyed-in-the-wool(adjective, set, strong, hard, tough)
1
hard-line(adjective, strong, hard, tough, severe)
1
indomitable(adjective, set, strong, hard, tough)
1
insensible(adjective, strong, hard, tough, sturdy)
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HarvardSmart Define 2015, adamantine thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>.
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