173 entries under hard topic. ×

1
tuneless(adjective, severe, sharp, flat)
1
unadaptable(resolute, rigid, inflexible, strict)
1
uncontrite(adjective, tough, harsh, cruel)
1
uncooperative(adjective, mean, tough, harsh)
1
uneven(adjective, severe, sharp, flat)
1
ungracious(adjective, severe, sharp, nasty)
1
unimpressible(adjective, mean, tough, harsh)
1
unkind(adjective, animal, mean, tough)
1
unlevel(adjective, severe, sharp, flat)
1
unmelodious(adjective, severe, sharp, flat)
1
unmusical(adjective, severe, sharp, flat)
1
unpleasant(adjective, tough, severe, sharp)
1
unregenerate(adjective, tough, harsh, cruel)
1
unrepenting(adjective, tough, harsh, cruel)
1
wicked(adjective, severe, evil, sharp)
0
abusive(adjective, severe, sharp, nasty)
0
comfortless(adjective, severe, sharp, nasty)
0
dense(adjective, strong, tough, sturdy)
0
discourteous(adjective, severe, sharp, nasty)
0
ferric(adjective, strong, tough, sturdy)
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APASmart Define. (2015). unrelenting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unrelenting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>.
MLASmart Define. "unrelenting thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms>