bittersweet /ˈbɪtɚˌswit/noun 6adjective 3forms 3 noun6 •Bittersweetness.I had once before visited these three villages, Skedans, Tanoo and Cumshewa. The bitter-sweet of their overwhelming loneliness created a longing to return to them. — 1941 •(US) A vine, of the genus Celastrus, having small orange fruit that open to reveal red seeds.Over by the creek-bed scarlet-flamed sumac shouldered the silver-green of the willows, and orange-colored bittersweet crept through the tangle of wild plums. — 1935 •A pinkish-orange color. Any color in between scarlet and orange. •Bittersweet nightshade (Solanum dulcamara). •A variety of apple with a bittersweet taste."They had a good crop of bitter-sweets, they couldn’t grind them all"—nodding towards an orchard where some heaps of apples had been left lying ever since the ingathering. — 1886 •Any variety of clam in the family Glycymerididae adjective3 •Both bitter and sweet.The dark green mooncake is loaded with matcha-infused salted egg yolk custard, which gives a bittersweet taste. — 2016 •(figurative) Expressing contrasting emotions of pain and pleasure.The break-up was very bittersweet; they both hurt to end it, but were glad it was over. •Of bittersweet color (see the noun section, below). formsbittersweets · more bittersweet · most bittersweet