(adv.) In a fleeting manner; swiftly.

accurately aphoristically bluntly brusquely compendiously concisely crisply curtly economically exactly fleetingly flickeringly flittingly for a moment hastily hurriedly in a capsule in a nutshell in an instant in brief in brief compass in short laconically momentarily pithily pointedly precisely quickly sententiously shortly sparely succinctly summarily swiftly synoptically tersely transiently