| Main Entry: | |
| Part of Speech: | verb |
| Definition: | alienate |
| Synonyms: | acidify, curdle, disenchant, embitter, envenom, exacerbate, exasperate, make sour, spoil, turn, turn off |
| Antonyms: | encourage, excite, incite |
| Main Entry: | ferment |
| Part of Speech: | verb |
| Definition: | split into simpler substances; be agitated |
| Synonyms: | acidify, be violent, boil, brew, bubble, churn, concoct, dissolve, effervesce, evaporate, excite, fester, fizz, foam, foment, froth, heat, incite, inflame, leaven, moil, overflow, provoke, ripen, rise, rouse, seethe, simmer, sour, sparkle, stir up, work |
| Main Entry: | irritate |
| Part of Speech: | verb |
| Definition: | upset, anger |
| Synonyms: | abrade, affront, aggravate, annoy, bother, bug*, burn*, chafe, confuse, distemper, disturb, drive up the wall, enrage, exasperate, fret, gall, get, get on nerves, get under skin, grate, harass, incense, inflame, infuriate, irk, madden, needle, nettle, offend, pain, peeve, pester, pique, provoke, put out, rankle, rasp, rattle, rile, roil, rub the wrong way, ruffle, sour, try, vex |
| Notes: | aggravate means 'to add to' an already troublesome or vexing matter or condition while irritate means 'to vex, annoy, or chafe' irritate means 'inflame' (originally 'excite, rouse'); aggravate means 'worsen' |
| Antonyms: | aid, assuage, delight, help, please |
| Main Entry: | turn |
| Part of Speech: | verb |
| Definition: | become sour or tainted |
| Synonyms: | acidify, become rancid, break down, crumble, curdle, decay, decompose, disintegrate, dull, ferment, go bad, molder, putrefy, rot, sour, spoil, taint |
| Main Entry: | fermentation |
| Part of Speech: | noun |
| Definition: | effervescence |
| Synonyms: | agitation, bubbling, dissolving, ebullition, evaporation, foaming, frothing, leavening, seething, souring, turbulence, volatilization |