Amarantha \a-maran-tha, am(a)-ra-ntha\ as a girl's name is of Greek origin, and the meaning of Amarantha is "unfading". Also the name of both a mythical and a real plant. The mythical one was supposed to be immortal. Amarante is the French form.

Amarantha has 4 variant forms: Amarande, Amaranta, Amarante and Amaranthe.

For more information, see also the related name Amantha.

Baby names that sound like Amarantha are Amarinda and Emerant.