Unsympathetic
/ʌnˈsɪmpəˌθɛtɪk/
Synonyms
- callous
- indifferent
- cold-hearted
- unfeeling
- unsparing
Slang Meanings
Cold
That dude is so cold, he's unsympathetic to anyone's struggles.
Stone-hearted
She has a stone-hearted approach, completely unsympathetic to the situation.