acidulate acidproof • acidulent · · · Info · Definitions · Synonyms · Characters · · acidulate · · Text Latin · · Script 9 · · Length Definitions · · · (verb) make sour or more sour. Synonyms: sour, acidify, acetify. · · Verb Definition 1 Synonyms · · · sour · · Synonym 1 acidify · · Synonym 2 acetify · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C t latin small letter t U+0074 u latin small letter u U+0075