UBS Dictionary of the Greek New Testament

Sense 1: relative, kinsman

Semantic entry: 10.6

Semantic domains: Kinship Terms

Subdomains: Groups and Members of Groups of Persons Regarded as Related by Blood but without Special Reference to Successive Generations

Definition: a person who belongs to the same extended family or clan

Sense 2: fellow countryman

Semantic entry: 11.57

Semantic domains: Groups and Classes of Persons and Members of Such Groups and Classes

Subdomains: Socio-Political

Definition: a person who is a member of the same πατριά [source selector 000001][b] or φυλή [source selector 000001][b] ‘nation’ (11.56: πατριά / 11.56: φυλή)

Notes: The term ἄνδρες is often added to ἀδελφοί[d], constituting a lexical unit having essentially the same meaning as ἀδελφοί[d], but with the connotation of greater formality: ἄνδρες ἀδελφοίἐξὸν εἰπεῖν μετὰ παρρησίας πρὸς ὑμᾶς ‘fellow countrymen, I can speak to you quite plainly’ RV ACT 2:29 · LV ACT 2:29 · Read together ACT 2:29.|συμφυλέτης [source selector 000003][d] may often be translated by a phrase, for example, ‘a person of the same country’ or ‘a man who belongs to the same nation’ or ‘one who is part of the same tribe.’