Synonyms|1.2kAntonyms|411|Broader|17Narrower|20Related|1.6k

95 entries under strong topic. ×

3
hard-nosed(adjective, hard, tough, severe)
3
hard-shell(adjective, hard, tough, severe)
3
immovable(adjective, set, hard, tough)
3
indomitable(adjective, hard, tough, resolute)
3
persistent(adjective, certain, definite, obstinate)
3
rough(adjective, hard, tough, severe)
3
serious(adjective, hard, tough, severe)
3
staunch(adjective, close, set, correct)
3
steady(adjective, close, correct, flat)
3
stiff-necked(adjective, hard, tough, severe)
2
by the book(expression, adjective, idiom, hard)
2
dense(adjective, hard, tough, sturdy)
2
disciplinary(adjective, hard, tough, severe)
2
enduring(adjective, close, correct, flat)
2
flinty(adjective, hard, tough, severe)
2
hard-core(adjective, close, hard, tough)
2
implacable(adjective, set, hard, tough)
2
specific(adjective, correct, flat, solid)
2
steely(adjective, set, hard, tough)
2
sure(adjective, close, correct, flat)
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HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
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