| Main Entry: | |
| Part of Speech: | noun |
| Definition: | sour; change into coagulated substance |
| Synonyms: | acerbate, acidify, acidulate, clabber, clot, coagulate, condense, congeal, curd, ferment, go off, spoil, thicken, turn, turn sour |
| Main Entry: | sour |
| 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: | 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 |