Allidiah \a-lli-diah\ as a girl's name is a variant of Alida (Latin), and the meaning of Allidiah is "small winged one".
The baby name Allidiah sounds like Allidia and Allidah. Other similar baby names are Allinah, Allysiah, Allicia, Allydah, Allida, Alidia, Alidah, Allissah, Allisah, Alliah, Almidah and Allmidah.