ˈræpɪd adj. & n. --adj. (rapider, rapidest) 1
quick,
swift. 2
acting or completed in a
short time. 3 (of a slope) descending steeply. 4 Photog. fast. --n. (usu. in pl.) a steep
descent in a river-bed,
with a swift
current. ørapid eye-movement a
type of
jerky movement of
the eyes
during periods of dreaming. rapid-fire (attrib.) fired, asked,
etc., in quick
succession. rapid
transit (attrib.) denoting high-speed
urban transport of passengers. øørapidity n. rapidly adv. rapidness n. [L rapidus f. rapere seize]