noun, noun which may take the genitive case particle 'no'
widely read with a retentive memory
A yojijukugo describing a person who has read extensively and remembers what they have learned. Rare in everyday conversation; more common in literary or formal descriptions of scholarly ability.
彼は博聞強記で知られ、どんな質問にも即座に答えられる。
He is known for being widely read and having a retentive memory, able to answer any question on the spot.