adjective
- of or like the amaranth.
- unfading; everlasting: a woman of amaranthine loveliness.
- of purplish-red color.
adjective
- of a dark reddish-purple colour
- of or resembling the amaranth
1660s, “unfading, undying,” poetic (apparently coined by Milton), also amarantine; see amaranth. Later used of a purple color.