unversed
/ˈʌnvɜːrd/; /ˈʌnvrɪsd/Definitions
1. adjective
not familiar or knowledgeable about a particular subject or situation
“He struggled to understand the complex topic, feeling unversed in the field of physics.”
2. noun
a person who is not familiar or knowledgeable about a particular subject or situation
“The unversed students received additional tutoring to help them understand the material.”