IPA: //ʌnˈneɪmd//
KK: /ʌnˈneɪmd/
Not having a name or not identified by a name.
The artist created an unnamed sculpture that captivated everyone.
Unnamed → It is formed from "un-" (meaning not) and "named" (from Old English "nama", meaning name). The word "unnamed" means not having a name or not being identified by a name.
Think of 'not' ('un-') having a 'name' — that's why unnamed means something that does not have a name.