In a fast and efficient manner; with speed and without unnecessary delays.
Adverb form of 'expeditious' created by adding '-ly' (in the manner of). Maintains the meaning of speed and efficiency from the Latin root 'expedire.'
Adding '-ly' to any adjective makes it an adverb—it describes *how* something happens. 'Expeditiously' tells us the *manner* of action, not just that action occurred.
Complete word intelligence in one call. Free tier — 50 lookups/day.