Haste makes waste.

Synonym:blitz, charge, dash, dispatch, expedition, flood, flow, flux, haste, hastiness, hurriedness, precipitance, precipitancy, precipitation, race, scramble, stream, surge, swiftness, urgency

Antonyms: retardation, slowness

Celerity of motion; speed; swiftness; dispatch; expedition; -- applied only to voluntary beings, as men and other animals., The state of being urged or pressed by business; hurry; urgency; sudden excitement of feeling or passion; precipitance; vehemence., To hasten; to hurry.

NOUN: abruptness, amazement, astonishment, astoundment, attack, awe, bewilderment, bombshell, consternation, curiosity, curveball, disappointment, disillusion, epiphany, eureka, eye-opener, fortune, godsend, incredulity, jolt, kick, marvel, miracle, miscalculation, phenomenon, portent, precipitance, precipitation, precipitousness, prodigy, rarity, revelation, shock, start, stupefaction, suddenness, thunderbolt, unexpected, unforeseen, whammy, wonder, wonderment

VERB: amaze, astound, awe, bewilder, blow away, bowlover, cause wonder, confound, confuse,consternate, daze, dazzle, discomfit, disconcert,dismay, dumbfound, electrify, flabbergast, floor,jar, jolt, leave aghast, leave open-mouthed,nonplus, overwhelm, perplex, petrify, rattle, rock,shake up, shock, spring something on, stagger,startle, strike dumb, strike with awe, stun,stupefy, take aback, take one's breath away,throw a curve, unsettle

ANSWER: astonishment, amazement, wonder, disbelief, shock, revelation, bolt from the blue, disclosure, bombshell (informal), shocker (informal)

asap*burning*, called-for, capital, chief, clamant, clamorous, compelling, critical, crucial, crying*, demanded, demanding, driving, essential, exigent, foremost, heavy*, hurry-up, immediate, impelling, imperative, important, importunate, indispensable, insistent, instant, leading, life and death, momentous, necessary, paramount, persuasive, pressing, primary, principal, required, salient, serious, top-priority, touch and go, touchy*, vital, wanted, weighty