A Mercy

1. (uncountable) Relenting; forbearance to cause or allow harm to another.Antonyms: mercilessness, ruthlessness, cruelty
2. (uncountable) Forgiveness or compassion, especially toward those less fortunate.
3. (uncountable) A tendency toward forgiveness, pity, or compassion.
4. (countable) Instances of forbearance or forgiveness.
5. (countable) A blessing; something to be thankful for.