Synonyms for in a flash
adv without any delayfaster
adverb. speedily
immediately
adverb. at once, right away
- PDQ
- anon
- at short notice
- away
- directly
- double-time
- forthwith
- hereupon
- in a New York minute
- in a flash
- in a jiffy
- in nothing flat
- instantaneously
- instanter
- instantly
- like now
- now
- now or never
- on the dot
- on the double
- on the spot
- promptly
- pronto
- rapidly
- right now
- shortly
- soon
- soon afterward
- straight away
- straight off
- summarily
- thereupon
- this instant
- this minute
- tout de suite
- unhesitatingly
- urgently
- without delay
- without hesitation
instantaneous
adjective. immediate
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.