1. in a way that is both pleasant and painful or sad at the same time

Examples

• She smiled bittersweetly as she packed away her childhood toys.
• The old friends parted bittersweetly, knowing they might not meet again.
• He looked bittersweetly at the graduation photos on his desk.
• The movie ended bittersweetly with the hero achieving his dream but losing his love.
• She remembered her grandmother bittersweetly on the anniversary of her death.
• The couple bittersweetly celebrated their last night in their childhood home.