Uncompassionate
Part of speech: adjective
Definition: Not compassionate.
Hardhearted
Part of speech: adjective
Definition: Lacking in compassion; cold and pitiless.
Uncompassionate as an adjective is not compassionate. while Hardhearted as an adjective is lacking in compassion; cold and pitiless.
Part of speech: adjective
Definition: Not compassionate.
Part of speech: adjective
Definition: Lacking in compassion; cold and pitiless.
We hope you now know whether to use Uncompassionate or Hardhearted in your sentence.