noun, na-adjective
great speed; extreme swiftness
Literary or emphatic term for speed that is almost divine or superhuman; often used in fiction, games, or dramatic descriptions.
彼は神速の動きで敵をかわした。
He dodged the enemy with godlike speed.
その剣士の太刀筋は神速だった。
The swordsman's strikes were of divine swiftness.
Compound of 神 (god, divine) and 速 (speed). The exact historical derivation is uncertain, but the word is used to describe speed that seems superhuman or divinely fast.