noun which may take the genitive case particle 'no', noun
resourceful and quick-witted; showing a flash of brilliance; having a keen intellect
Rare literary expression describing someone whose intelligence and resourcefulness are freely and brilliantly displayed, like a flash of insight. Often used in formal or written contexts.
彼の才知縦横な議論に、誰も反論できなかった。
No one could argue against his brilliantly resourceful reasoning.
その作家の才知縦横の筆致は読者を魅了する。
The writer's keen and versatile style captivates readers.
A yojijukugo (four-character idiom) combining 才知 (intellect, wisdom) and 縦横 (freely, in all directions). The exact historical origin is uncertain, but it follows a common pattern of pairing a quality with an adverbial compound to express unrestrained brilliance.