- heartless⇄adv. heartlessly.
- heartless⇄heartless, adjective.
1. without kindness or sympathy; unfeeling; cruel; callous.
Ex. heartless words, a heartless coquette.
(SYN) hard, pitiless.
2. without courage, spirit, or enthusiasm.
Ex. a heartless mood Of solitude - heartless⇄noun heartlessness.