Bittersweets

1bit;ter;sweet pronunciation: function: noun date: 14th century 1 : something that is bittersweet; especially : pleasure alloyed with pain2 a : a poisonous eurasian woody vine (solanum dulcamara) of the nightshade family that has purple flowers and oval reddish berries and is naturalized in north america b : a north american poisonous woody vine (celastrus scandens) of the staff-tree family having clusters of small greenish flowers succeeded by yellow capsules that open when ripe and disclose the scarlet aril