sour

I

(New American Roget's College Thesaurus)

adj. acid, tart, bitter; fermented, unpleasant; morose, testy, touchy. See sourness, irascibility, unsavoriness.Ant., sweet, good-humored.

II

(Roget's IV) modif.

1. [Sour in taste]

Syn. acid, acidulated, tart, acetous, vinegary, fermented, rancid, musty, turned, acidulous, acetose, acidic, salty, bitter, acrid, caustic, cutting, stinging, peppery, harsh, irritating, unsavory, vitriolic, tangy, vinegarish, briny, brackish, astringent, dry, sharp, keen, biting, pungent, piquant, acerb*, acerbic, acetic, curdled, foxy, sourish, subacid, green, unripe, acescent, with a kick*.

Ant. sweet*, mild, bland.

2. [Sour in temper]

Syn. on edge, ill-natured, grouchy; see irritable .

Syn.- sour usually implies an unpleasant sharpness of taste and often connotes fermentation or rancidity [sour milk ] ; acid suggests a sourness that is normal or natural [ a lemon is an acid fruit ] ; acidulous suggests a slightly sour or acid quality [acidulous spring water ] ; tart suggests a slightly stinging sharpness or sourness and usually connotes that this may be pleasant to the taste [ a tart cherry pie ] v.

Syn. turn, ferment, spoil, go bad, acidulate, acidify, acetify, envenom, make sour, acerbate, curdle, tartarize.

III

(Roget's 3 Superthesaurus)

I

v.

turn one against, *turn off, disillusion, embitter, disenchant.

II

a.

1. tart acid, vinegary, sharp, *mouth-puckering, bitter, fermented, bad, rank, spoiled, curdled, rancid, repulsive, unpalatable.

2. surly cross, bad-tempered, irritable, testy, touchy, nasty, crabby, ill-humored, grouchy, morose.

ANT.: 1. sweet, sugary, saccharine, fresh. 2. sweet, good-natured, nice

IV

(Roget's Thesaurus II) I adjective 1. Having a taste characteristic of that produced by acids: acerb, acerbic, acetous, acid, acidulous, dry, tangy, tart1. See TASTE. 2. Having a noticeably sharp pungent taste or smell: acerbic, acrid, bitter, harsh. See TASTE. 3. Brood-ingly and sullenly unhappy: dour, gloomy, glum, moody, morose, saturnine, sulky, sullen, surly. See HAPPY. 4. Not in accordance with what is usual or expected: amiss, astray, awry, wrong. See SURPRISE, THRIVE. II verb To make or become bitter: embitter. See HAPPY.