humidity humidistat • humidityproof · · · Info · Definitions · Synonyms · Characters · · humidity · · Text Latin · · Script 8 · · Length Definitions · · · (noun) wetness in the atmosphere. Synonyms: humidness. · · Noun Definition 1 Synonyms · · · humidness · · Synonym 1 Characters · · d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079