Synonyms|970Antonyms|161|Broader|8Narrower|3Related|1.1k

127 entries under tough topic. ×

2
inexorable(adjective, close, appearance, strong, hard)
2
merciless(adjective, person, appearance, hard)
2
obdurate(adjective, person, close, strong, hard)
2
pitiless(adjective, close, hard, severe)
2
relentless(adjective, appearance, strong, hard)
2
savage(adjective, hard, harsh, cruel)
2
unrelenting(adjective, close, appearance, strong, hard)
2
unyielding(adjective, appearance, strong, hard)
1
adamant(adjective, person, strong, hard)
1
astringent(adjective, close, strong, hard)
1
authoritarian(adjective, strong, hard, severe)
1
avaricious(adjective, hard, harsh, cruel)
1
barbarous(adjective, appearance, hard, harsh)
1
bitter(adjective, strong, hard, severe)
1
bloody(adjective, hard, harsh, cruel)
1
bullheaded(adjective, strong, hard, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
dead set(expression, adjective, severe, firm)
1
disciplinary(adjective, strong, hard, severe)
1
draconian(adjective, severe, firm, harsh)
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ChicagoSmart Define. 2016. "forbidding thesaurus" https://smartdefine.org/forbidding/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, forbidding thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/forbidding/thesaurus/synonyms>.
MLASmart Define. "forbidding thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/forbidding/thesaurus/synonyms>