1. Having a taste that is a mixture of bitterness and sweetness; SYN. semisweet.
2. Tinged with sadness.
1. Poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America; SYN. bittersweet nightshade, woody nightshade, Solanum dulcamara.
2. Twining shrub of North America having three-valved yellow capsules enclosing scarlet seeds; SYN. American bittersweet, climbing bittersweet, false bittersweet, staff vine, waxwork, Celastrus scandens.
Alternate name for the woody nightshade plant. bitter-sweet