noun, noun or participle which takes 'suru'
flat-out run; driving at full speed
Describes running or driving at maximum speed, often in a competitive or urgent context. Used as a noun or with する.
彼はゴールまで激走した。
He sprinted flat out to the finish line.
パトカーが激走して現場に向かった。
The police car raced at full speed to the scene.
Compound of 激 (intense, violent) and 走 (run). The exact origin is uncertain, but it likely arose as a vivid expression for high-speed running or driving.