bittersweetly

adjective

1. both bitter and sweet to the taste: bittersweet chocolate.
2. both pleasant and painful or regretful: a bittersweet memory.

noun

3. Also called woody nightshade. a climbing or trailing plant, Solanum dulcamara, of the nightshade family, having small, violet, star-shaped flowers with a protruding yellow center and scarlet berries.
4. Also called climbing bittersweet. any climbing plant of the genus Celastrus, bearing orange capsules opening to expose red-coated seeds, especially C. scandens.
5. pleasure mingled with pain or regret: the bittersweet of parting.

noun

1. any of several North American woody climbing plants of the genus Celastrus, esp C. scandens, having orange capsules that open to expose scarlet-coated seeds: family Celastraceae
2. another name for woody nightshade

adjective

3. tasting of or being a mixture of bitterness and sweetness
4. pleasant but tinged with sadness