unkinder (adjective) unkind: not nice
Sinonime: barbarous,
brutal, cold-blooded, coldhearted,
cruel, hard-hearted,
harsh,
hateful,
heartless,
inconsiderate,
inhuman, inhumane,
insensitive,
malevolent,
malicious,
malignant,
mean,
nasty,
sadistic,
savage,
spiteful,
thoughtless,
uncaring, uncharitable, unfeeling,
unfriendly, unsympathetic
Antonime: considerate,
friendly,
giving,
kind,
nice