Hadassah \ha-dassah, had(as)-sah\ as a girl's name is pronounced ha-DAHS-sah. It is of Hebrew origin, and the meaning of Hadassah is "myrtle tree". Biblical: the Persian Queen Esther's Hebrew name.
For more information, see also the related name Asta.
Baby names that sound like Hadassah are Hatsy, Hatsie, Hatsey and Hatsee. Other similar baby names are Hadarah, Hadara and Hafsah.