breathlessness breathlessly • breathseller · · · Info · Definitions · Synonyms · Characters · · breathlessness · · Text Latin · · Script 14 · · Length Definitions · · · (noun) a dyspneic condition. Synonyms: shortness of breath, SOB. · · Noun Definition 1 Synonyms · · · shortness of breath · · Synonym 1 sob · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074