Synonyms ... instantaneous ... immediate ... sudden ... happening in an instant ... imperceptibly fast ... unhesitatingly quick ... prompt ... abrupt ... direct ... quick as a ...

high-speed · accelerated · fast · nonstop · quick · rapid · swift.

Synonyms for HIGH-SPEED: rapid, speedy, swift, rapid-fire, lightning, hasty, accelerated, fleet; Antonyms of HIGH-SPEED: slow, sluggish, crawling, pokey, ...

Find 220 synonyms for "extremely fast" and other similar words that you can use instead from our thesaurus..

agile · brisk · hot · nimble · quick · rapid · swift.

Some common synonyms of speedy are expeditious, fast, fleet, hasty, quick, rapid, and swift. While all these words mean "moving, proceeding, or acting with ...

Synonyms for Extremely fast · breakneck · lightning · lightning fast · dangerously fast · rapid · speedy · high-speed · extremely quickly. adv.

rapid · prompt · immediate · expeditious · instant · hurried · instantaneous · precipitate · express · alacritous · headlong · unhesitating.

quickly · swiftly · briskly · precipitously · apace · in a flash · at breakneck speed · in the twinkling of an eye.

quickly · expeditiously · hastily · hurriedly · immediately · instantaneously · instantly · promptly · rapidly ... Promptly · Hastily · Swiftly · Expeditiously