The antyonym of kindness is unfriendlyness.
Blessing
Positive.
Bold, forward, cheeky
yes and by the way who ever goes on here they do not have the correct answer that you give it and that is your hint
An antonym
ευγένεια = kindness
Her kindness is immeasurable.
Caredigrwydd means 'kindness'.
The stress in "kindness" is on the first syllable.
but
His kindness made him the most popular kid in the school.
Kindness is courageous. If you are kind to someone, it affects them and causes them to want to do the same.