Definitions

1. adjective

lacking kindness or benevolence; cruel or unfeeling

“Her unkind words hurt my feelings deeply.”

2. noun

a quality or state of being unkind

“Her unkindness towards others was evident in her behavior.”

3. adverb

in an unkind manner; in a way that shows a lack of kindness or benevolence

“She spoke unkindly to her brother, and he felt very sad.”