not true to (adjective) unfaithful: disloyal, adulterous
Sinonime: affiliated, born with, congenital, consanguine, consanguineous, familial, genealogical, hereditary, in the family, inborn, inbred, inherited, innate, lineal, maternal, old, past, paternal, running in the family, totemic, tribal
Antonime: faithful,
loyal,
trustworthy