Quick answer
Vashti is a girl name meaning "good".
Pronunciation: English /ˈvæʃ.ti/.
Meaning and history
Probably of Persian origin, possibly a superlative form of 𐎺𐎢 ( vahu ) meaning "good". According to the Old Testament this was the name of the first wife of King Ahasuerus of Persia before he married Esther.
Notes and context
Usage: biblical | Ancient Hebrew: וַשְׁתִּי