Unsympathetic (adjective)

Not showing concern or understanding for others' feelings or situations.

Origin:

From un- (not) + sympathetic (showing concern or understanding).

Examples:

1. He was unsympathetic to her struggles and refused to help.
2. She was unsympathetic to his plight, and refused to lend him any money.
3. The audience was unsympathetic to the poor performance of the actors.
4. He was unsympathetic towards her, and refused to listen to her complaints.
5. She was unsympathetic to the plight of the refugees, and refused to help.