Quick answer
Micaiah is a boy/girl name meaning "who is like Yahweh ?".
Pronunciation: English /mɪ.ˈkaɪ̯.ə/.
Meaning and history
The name means "who is like Yahweh ?" in Hebrew, derived from the interrogative pronoun מִי ( mi ) combined with ךְּ ( ke ) meaning "like" and יָהּ ( yah ) referring to the Hebrew God. This name occurs in the Old Testament in a variety of Hebrew spellings, belonging to both males and females. It is the full name of Micah, both the prophet and the man from the Book of Judges. As a feminine name it belongs to the mother of King Abijah (at 2 Chronicles 13:2 ), though her name is listed as Maacah in other passages.
Notes and context
Usage: biblical | Ancient Hebrew: מִיכָיָהוּ