quietness quietly • quietsome · · · Info · Definitions · Synonyms · Characters · · quietness · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the property of making no sound. Synonyms: soundlessness. · · Noun Definition 1 (noun) a state of peace and quiet. Synonyms: tranquillity, tranquility, quietude. · · Noun Definition 2 Synonyms · · · soundlessness · · Synonym 1 tranquillity · · Synonym 2 tranquility · · Synonym 3 quietude · · Synonym 4 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E q latin small letter q U+0071 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075