IRRELATIVE: So-called "relatives" in name only, who because it is not merited, or only opportunistic, or parasitic, any association is irrelevant in regards to family; or only utilizing the "family card" unessesarily or insincerely, in order to manipulate. Therefore, uncharacteristic of a functional, cooperative unit.
True family is earned, not automatically conferred, defined by truth and honor. It is mutually complementary, supportive, not at odds, nor detrimental. Therefore, it is not relative; ergo, "Irrelative".
Also, The Irrelative Effect is evident in the sensation that one had always felt like a veritable orphan, feeling little to nothing in common with siblings, parents, or physical relatives.