A sharp bitterness.

Roget 907: malevolence; bad intent, bad intention; unkindness, diskindness^†; ill nature, ill will, ill blood; bad blood; enmity etc. 889; hate etc. 898; malignity; malice, malice prepense^†; maliciousness etc. adj.; spite, despite; resentment etc. 900.    uncharitableness etc. adj.; incompassionateness etc. 914.1^†; gall, venom, rancor, rankling, virulence, mordacity^†, acerbity churlishness etc. (discourtesy) 895.    hardness of heart, heart of stone, obduracy; cruelty; cruelness etc. adj.; brutality, savagery; ferity^†, ferocity; barbarity, inhumanity, immanity^†, truculence, ruffianism; evil eye, cloven foot; torture, vivisection.    ill turn, bad turn; affront etc. (disrespect) 929; outrage, atrocity; ill usage; intolerance, persecution; tender mercies [Iron.]; unkindest cut of all" [Julius Caesar]. ... show more

A sharp sour taste.

synonym: tartness.

Roget 901: irascibility, irascibleness, temper; crossness etc. adj.; susceptibility, procacity, petulance, irritability, tartness, acerbity, protervity; pugnacity etc. (contentiousness) 720.    excitability etc. 825; bad temper, fiery temper, crooked temper, irritable etc. adj.. temper; genus irritabile [Lat.], hot blood.    ill humor etc. (sullenness) 901.1; asperity &c.; churlishness etc. (discourtesy) 895.    huff etc. (resentment) 900; a word and a blow.    Sir Fretful Plagiary; brabbler^†, Tartar; shrew, vixen, virago, termagant, dragon, scold, Xantippe; porcupine; spitfire; fire eater etc. (blusterer) 887; fury etc. (violent person) 173.    ... show more

A rough and bitter manner.

synonyms: acrimony, bitterness, jaundice, tartness, thorniness.

Roget 900: resentment, displeasure, animosity, anger, wrath, indignation; exasperation, bitter resentment, wrathful indignation.    pique, umbrage, huff, miff, soreness, dudgeon, acerbity, virulence, bitterness, acrimony, asperity, spleen, gall; heart-burning, heart-swelling; rankling.    ill humor, bad humor, ill temper, bad temper; irascibility etc. 901; ill blood etc. (hate) 898; revenge etc. 919.    excitement, irritation; warmth, bile, choler, ire, fume, pucker, dander, ferment, ebullition; towering passion, acharnement [Fr.], angry mood, taking, pet, tiff, passion, fit, tantrums.    burst, explosion, paroxysm, storm, rage, fury, desperation; violence etc. 173; fire and fury; vials of wrath; gnashing of teeth, hot blood, high words.    scowl etc. 895; sulks etc. 901.1. [Cause of umbrage] affront, provocation, offense; indignity etc. (insult) 929; grudge, crow to pluck, bone to pick, sore subject, casus belli [Lat.]; ill turn, outrage.    Furies, Eumenides.    buffet, slap in the face, box on the ear, rap on the knuckles.    ... show more

Roget 895: discourtesy; ill breeding; ill manners, bad manners, ungainly manners; insuavity^†; uncourteousness^†, etc. adj.; rusticity, inurbanity^†; illiberality, incivility displacency^†.    disrespect etc. 929; procacity^†, impudence: barbarism, barbarity; misbehavior, brutality, blackguardism^†, conduct unbecoming a gentleman, grossieret_e, brusquerie^†; vulgarity, etc. 851.    churlishness etc. adj.; spinosity^†, perversity; moroseness etc. (sullenness) 901.1. sternness etc. adj.; austerity; moodishness^†, captiousness etc. 901; cynicism; tartness etc. adj.; acrimony, acerbity, virulence, asperity.    scowl, black looks, frown; short answer, rebuff; hard words, contumely; unparliamentary language, personality.    bear, bruin, brute, blackguard, beast; unlicked cub^†; frump, crosspatch^†; saucebox etc. 887^†; crooked stick; grizzly.    ... show more

Roget 392b: bitterness, acridness^†, acridity, acrimony; caustic, alkali; acerbity; gall, wormwood; bitters, astringent bitters.    Angostura [additive for alcoholic beverages], aromatic bitters.    sourness etc. 397; pungency etc. 392.    [bitter substances] alkaloids; turmeric.    ... show more

Roget 395: unsavoriness etc. adj.; amaritude^†; acrimony, acridity (bitterness) 392.2; roughness etc. (sour) 397; acerbity, austerity; gall and wormwood, rue, quassia^†, aloes; marah^†; sickener^†.    ... show more

Dutch: bitsheid, boosheid, bitterheid