Biddie \b(id)-die\ as a girl's name is a variant of Biddy and Bridget (Gaelic), and the meaning of Biddie is "exalted one".
The baby name Biddie sounds like Beatie, Bithia, Bettie and Bethie. Other similar baby names are Birdie, Addie, Binnie, Billie, Byrdie, Bradie, Bridie, Brydie, Brodie, Eddie, Heddie, Lidie, Maddie, Neddie, Berdie, Roddie, Taddie and Teddie.