IPA: /ʌnˈkrɪs.tənd/
KK: /ʌnˈkrɪs.tənd/
Not having been given a Christian baptism or name.
The child remained unchristened until the family could decide on a name.
Unchristened → It is formed from "un-" (meaning not) and "christen" (from Old English *cristenian*, meaning to baptize or make Christian). The word "unchristened" means not having been baptized or made Christian.
Think of 'not' ('un-') having been 'baptized' or made Christian ('christen'). This helps you remember that unchristened refers to someone who has not undergone baptism.