moistener moisten • moistful · · · Info · Definitions · Synonyms · Characters · · moistener · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a device that dampens or moistens something. Synonyms: dampener. Example: "He used a dampener to moisten the shirts before he ironed them." · · Noun Definition 1 Synonyms · · · dampener · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074