n. 25B6; adjective
bitter coffee : SHARP, acid, acidic, acrid, tart, sour, biting, unsweetened, vinegary; N. Amer. acerb; technical acerbic.
a bitter woman : RESENTFUL, embittered, aggrieved, grudge-bearing, begrudging, rancorous, spiteful, jaundiced, ill-disposed, sullen, sour, churlish, morose, petulant, peevish; informal with a chip on one's shoulder.
a bitter blow : PAINFUL, unpleasant, disagreeable, nasty, cruel, awful, distressing, upsetting, harrowing, heartbreaking, heart-rending, agonizing, traumatic, tragic, chilling; formal grievous.
a bitter wind : FREEZING, icy, arctic, glacial; biting, piercing, penetrating, raw, wintry.
a bitter row : ACRIMONIOUS, virulent, angry, rancorous, spiteful, vicious, vitriolic, savage, ferocious, hate-filled, venomous, poisonous, acrid, nasty, ill-natured.
sweet, magnanimous, content, welcome, warm, amicable.