Synonyms|351Antonyms|84|Broader|5Narrower|6Related|144
1
rigidity(noun, pitilessness, mercilessness, relentlessness)
1
rigorousness(noun, harshness, sternness)
1
sadistic cruelty
1
sanguineousness
1
satisfaction(noun, attack, grievance, retaliation, vengeance)
1
savageness(noun, violence, severity, vulgarity, torture)
1
short shrift
1
sortie(noun, attack, grievance, retaliation, vengeance)
1
spleen(noun, hatred, resentment, hostility, antagonism)
1
strictness(noun, cruelty, harshness, sternness, pitilessness)
1
tender mercies
1
tit for tat(noun, expression, idiom, attack, grievance)
1
torture(noun, violence, severity, cruelty, coarseness)
1
truculency(noun, violence, severity, torture, cruelty)
1
tyranny(noun, cruelty, strictness)
1
umbrage(noun, hatred, resentment, hostility, antagonism)
1
uncharitableness(noun, hatred, resentment, hostility, antagonism)
1
uncompassionateness
1
unforgivingness
1
unfriendliness(noun, hatred, resentment, hostility, antagonism)
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ChicagoSmart Define. 2015. "ruthlessness thesaurus" https://smartdefine.org/ruthlessness/thesaurus/synonyms (accessed September 24, 2026).
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MLASmart Define. "ruthlessness thesaurus" 21 December 2015. Web. 24 September 2026. <https://smartdefine.org/ruthlessness/thesaurus/synonyms>