1. the quality or state of being bittersweet; a mixture of sadness and happiness or pleasure and pain occurring at the same time
Usage: uncountable; abstract noun

Examples

• There was a bittersweetness to her graduation day—proud of her achievement but sad to leave her friends.
• The bittersweetness of the final concert came from knowing it would be the band's last performance.
• He felt the bittersweetness of returning home after years away; everything had changed.
• The old photograph captured the bittersweetness of childhood memories.
• Watching her daughter leave for college filled her with bittersweetness.
• The bittersweetness of the ending made the movie unforgettable.