heartache heart • heartaching · · · Info · Definitions · Synonyms · Characters · · heartache · · Text Latin · · Script 9 · · Length Definitions · · · (noun) intense sorrow caused by loss of a loved one (especially by death). Synonyms: grief, heartbreak, brokenheartedness. · · Noun Definition 1 Synonyms · · · grief · · Synonym 1 heartbreak · · Synonym 2 brokenheartedness · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 r latin small letter r U+0072 t latin small letter t U+0074