uncharitable
adjective
I regretted all the uncharitable things I had thought or said:
unkind, inconsiderate, thoughtless, insensitive, heedless, selfish, self-centered, mean, mean-spirited, unfriendly, unpleasant;
unsympathetic, uncaring, lacking compassion, ungenerous, ungracious, unfeeling;
unforgiving, merciless, ruthless, harsh, severe, stern, hard, hard-hearted, censorious, uncompromising, inflexible, unfair.
▷antonyms charitable.