Ernestine \e-rnesti-ne, er-nes-tine\ as a girl's name is pronounced er-ness-TEEN. It is of Old German origin, and the meaning of Ernestine is "serious; battle to the death". Feminine form of Ernest.

Ernestine has 7 variant forms: Earnestine, Erna, Ernaline, Ernesha, Ernesta, Ernestina and Ernestyna.

Baby names that sound like Ernestine are Arnessa and Arnice.