Save Gender Feminine Usage English (American, Modern, Rare) Pronounced Pron. AD-i-sən(American English) [key] Other Forms FormsAddisyn, Addisynne, Adisyn, Adisynn, Adisynne, Addysyn, Addysynn, Addysynne, Adysyn, Adysynn, Adysynne Meaning & History Variant of Addison.