Antonyms of noun mercifulness

1 of 3 senses of mercifulness

Sense 2
mercifulness, mercy -- (a disposition to be kind and forgiving; "in those days a wife had to depend on the mercifulness of her husband")
       Antonym of mercilessness (Sense 2)
      => mercilessness, unmercifulness -- (inhumaneness evidenced by an unwillingness to be kind or forgiving)

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

3 senses of mercifulness

Sense 1
mercifulness, mercy -- (the feeling that motivates compassion)
       => compassion, compassionateness -- (a deep awareness of and sympathy for another's suffering)

Sense 2
mercifulness, mercy -- (a disposition to be kind and forgiving; "in those days a wife had to depend on the mercifulness of her husband")
       => humaneness -- (the quality of compassion or consideration for others (people or animals))

Sense 3
clemency, mercifulness, mercy -- (leniency and compassion shown toward offenders by a person or agency charged with administering justice; "he threw himself on the mercy of the court")
       => lenience, leniency -- (lightening a penalty or excusing from a chore by judges or parents or teachers)