Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ruthlessness

2 senses of ruthlessness

Sense 1
pitilessness, ruthlessness -- (mercilessness characterized by a lack of pity)
       => mercilessness, unmercifulness -- (inhumaneness evidenced by an unwillingness to be kind or forgiving)

Sense 2
cruelty, mercilessness, pitilessness, ruthlessness -- (feelings of extreme heartlessness)
       => heartlessness, coldheartedness, hardheartedness -- (an absence of concern for the welfare of others)