90 entries under hard topic. ×

1
mulish(adjective, strong, tough, severe)
1
murderous(adjective, tough, harsh, cruel)
1
rigid(adjective, strong, tough, severe)
1
rigorous(adjective, strong, tough, severe)
1
ruthless(adjective, appearance, tough, harsh)
1
sanguinary(adjective, tough, harsh, cruel)
1
shameless(adjective, tough, harsh, cruel)
1
stiff-necked(adjective, strong, tough, severe)
1
tyrannical(adjective, tough, harsh, cruel)
1
unbending(adjective, close, strong, cool)
1
uncontrite(adjective, tough, harsh, cruel)
1
unmerciful(adjective, tough, harsh, cruel)
1
unregenerate(adjective, tough, harsh, cruel)
1
unremitting(adjective, tough, harsh, cruel)
1
unrepenting(adjective, tough, harsh, cruel)
1
unsparing(adjective, close, strong, tough)
1
vindictive(adjective, tough, harsh, cruel)
0
adamantine(adjective, strong, tough, sturdy)
0
dense(adjective, strong, tough, sturdy)
0
ferric(adjective, strong, tough, sturdy)
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APASmart Define. (2016). forbidding thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/forbidding/thesaurus/synonyms
ChicagoSmart Define. 2016. "forbidding thesaurus" https://smartdefine.org/forbidding/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, forbidding thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/forbidding/thesaurus/synonyms>.
MLASmart Define. "forbidding thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/forbidding/thesaurus/synonyms>