Nouns

(n)cinnabara heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
(n)cinnabar, cinnabar moth, Callimorpha jacobeaelarge red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort

Adjectives

(s)vermilion, vermillion, cinnabar, Chinese-redof a vivid red to reddish-orange color