1. unkind - Adjective
2. unkind - Adjective Satellite
Having no race or kindred; childless.
Not kind; contrary to nature, or the law of kind or kindred; unnatural.
Wanting in kindness, sympathy, benevolence, gratitude, or the like; cruel; harsh; unjust; ungrateful.
Source: Webster's dictionaryBe amusing: never tell unkind stories; above all, never tell long ones. Benjamin Disraeli
To the noble mind Rich gifts wax poor when givers prove unkind. William Shakespeare
There is little pride in writers. They know they are human and shall some day die and be forgotten. Knowing all this a writer is gentle and kindly where another man is severe and unkind. William Saroyan
Words are but wind, but blows unkind. English Proverb
He that is unkind to his own will not be kind to others. Galician Proverb
If you're very unkind today don't expect favours tomorrow. African Proverb