Sabellian n : an extinct Osco-Umbrian language of ancient Italy that survives only in a few inscriptions
- Of or pertaining to the Sabellian language.
Sebellian can refer to
- Sabellian (christology), a believer in Sabellianism which is the nontrinitarian belief that the Father, Son and Holy Spirit are different modes or aspects of one God, rather than three distinct persons in God Himself
- Sebellian (language), one of the Osco-Umbrian languages
- Sabellian (people) a collective ethnonym for a group of Italic peoples or tribes inhabiting central Italy at the time of the rise of Rome