1. providing no comfort; cheerless and depressing
2. receiving no comfort or consolation

Examples

• The abandoned house looked cold and comfortless in the winter rain.
• She spent a comfortless night worrying about the test results.
• The hospital waiting room was stark and comfortless.
• He felt comfortless after losing his best friend.
• The comfortless landscape stretched endlessly before them.
• Without her family nearby, she felt utterly comfortless.
• The bare walls made the room feel comfortless and unwelcoming.