CYNTHIA Meaning of CYNTHIA in English /sin"thee euh/ , n.1. Artemis: so called from her birth on Mt. Cynthus, on Delos. 2. Literary. the moon, the emblem of Artemis. 3. a female given name. Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012