Irrelative
Pronunciation : Ir*rel"a*tive
Part of Speech : a.
Definition : Defn: Not relative; without mutual relations; unconnected. -- Ir*rel"a*tive*ly, adv. Irrelative chords (Mus.), those having no common tone. -- Irrelative repetition (Biol.), the multiplication of parts that serve for a common purpose, but have no mutual dependence or connection. Owen.
Source : Webster's Unabridged Dictionary, 1913