Uncharitable

[Agnes]

unkind and unfair:

[Sommer]

(of a persons behavior or attitude toward others) unkind; unsympathetic.

[Becky]

lacking love and generosity

[Ernesto]

Contrary to charity; contrary to the universal love prescribed by christianity.

[LindaArrit]

Uncharitable refers to lacking in kindness, generosity, or compassion, especially towards others in need. It may also refer to a harsh or critical attitude or behavior.