Entry 1 sense Webster, 1913 Speedy /(-y̆)/ · Speed·y · IPA /ˈspiː.di/ 01 a. Not dilatory or slow; quick; swift; nimble; hasty; rapid in motion or performance; as, a speedy flight; on speedy foot. 1. Not dilatory or slow; quick; swift; nimble; hasty; rapid in motion or performance; as, a speedy flight; on speedy foot. “I will wish her speedy strength.” — Shak. “Darts, which not the good could shun, The speedy ould outfly.” — Dryden.