Without delay, informally (6)
I believe the answer is:
pronto
(Other definitions for pronto that I've seen before include "Right away, quickly" , "Proton (anag.)" , "Quickly, amigo" , "Right now, amigo" , "Quickly (sl.)" .)
I believe the answer is:
pronto
(Other definitions for pronto that I've seen before include "Right away, quickly" , "Proton (anag.)" , "Quickly, amigo" , "Right now, amigo" , "Quickly (sl.)" .)