thickener thicken • thickening · · · Info · Definitions · Synonyms · Characters · · thickener · · Text Latin · · Script 9 · · Length Definitions · · · (noun) any material used to thicken. Synonyms: thickening. Example: "Starch is used in cooking as a thickening." · · Noun Definition 1 Synonyms · · · thickening · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074