4
dour(adjective, close, hard, tough, severe)
4
exigent
4
extravagant(adjective, harsh, cruel, grand, generous)
4
inhuman(adjective, person, aroused bad feelings)
4
oppressive(adjective, tough, severe, firm, harsh)
4
philanthropic(adjective, good, kind, reasonable, fair)
4
princely(kind, substantial, generous, prodigal, liberality)
4
rough(adjective, strong, hard, tough, difficult)
4
stony-hearted
4
uncompromising(adjective, hard, severe, harsh, cruel)
3
authoritarian(adjective, strong, hard, tough, severe)
3
beneficent(adjective, good, kind, reasonable, fair)
3
callous(adjective, mean, tough, severe, harsh)
3
cold(adjective, close, hard, tough, severe)
3
difficult(adjective, tough, rough, harsh, heavy)
3
eleemosynary(adjective, kind, generous, prodigal)
3
freehearted
3
grim(adjective, mean, strong, hard, tough)
3
inhumane(adjective, person, mean, severe, harsh)
3
lush(adjective, grand, extravagant, generous, abundant)
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APASmart Define. (2016). unsparing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsparing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsparing thesaurus" https://smartdefine.org/unsparing/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unsparing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsparing/thesaurus/synonyms>.
MLASmart Define. "unsparing thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unsparing/thesaurus/synonyms>