1. Guibertine - Noun
2. Guibertine - Adjective
Guibertine (not comparable)
(historical) Relating to Guibert of Ravenna (c. 1029 – 1100), antipope as Clement III from 1080 to 1100, and his supporters.
Guibertine (plural Guibertines)
(historical) A supporter of Guibert of Ravenna.