Synonyms|455Antonyms|60|Broader|12Narrower|1Related|455

103 entries under hard topic. ×

2
obdurate(adjective, close, strong, tough)
2
relentless(adjective, close, strong, tough)
2
rough(adjective, strong, tough, severe)
2
rugged(adjective, strong, tough, severe)
2
stiff-necked(adjective, strong, tough, severe)
2
strident(adjective, severe, sharp, flat)
2
tough(adjective, strong, severe, harsh)
2
unbending(adjective, close, strong, tough)
2
unsparing(adjective, close, strong, tough)
1
bullheaded(adjective, strong, tough, severe)
1
by the book(expression, adjective, idiom, strong)
1
cacophonous(adjective, severe, sharp, flat)
1
caterwauling(adjective, severe, sharp, flat)
1
clashing(adjective, severe, sharp, flat)
1
cracked(adjective, severe, sharp, flat)
1
craggy(adjective, severe, sharp, flat)
1
creaking(adjective, severe, sharp, flat)
1
croaking(adjective, severe, sharp, flat)
1
disagreeing(adjective, severe, sharp, flat)
1
disciplinary(adjective, strong, tough, severe)
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ChicagoSmart Define. 2015. "astringent thesaurus" https://smartdefine.org/astringent/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, astringent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/astringent/thesaurus/synonyms>.
MLASmart Define. "astringent thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/astringent/thesaurus/synonyms>