uncharitable

adjectives

lacking love and generosity
"all pious words and uncharitable deeds"- Charles Reade
antonym
see also
unwilling to spend
"she practices economy without being stingy"; "an ungenerous response to the appeal for funds"
see also
lacking in magnanimity
"it seems ungenerous to end this review of a splendid work of scholarship on a critical note"- Times Litt. Sup.; "a meanspirited man unwilling to forgive"