C1 adjective /ɛnˌsaɪkləˈpiːdɪk/
encyclopedic
百科事典的
Meaning
Having comprehensive knowledge of many subjects; relating to or characteristic of an encyclopedia.
Example
Her encyclopedic knowledge of history amazed everyone at the conference.
彼女の歴史に関する百科事典的な知識は、会議でみんなを驚かせた。