What does Amarantha mean?
Amarantha \a-maran-tha, am(a)-ra-ntha\ as a girls' 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.
For more on this name, see also the related girl name Amantha.
Amarantha is an uncommonly occurring first name for females. Amarantha is also an uncommon surname for both adults and children. (2000 U.S. Census)
Charted below is the birth name popularity of Amarantha for girls. Amarantha has not been recorded in the list thus far. (Top 1000 Birth Names Records, 2014)