right-away

(r) without delay or hesitation; with no time intervening
- he answered immediately
- found an answer straightaway
- an official accused of dishonesty should be suspended forthwith
- Come here now!
at once, forthwith, immediately, instantly, like a shot, straightaway, straight off, directly, now,
(r) at once (usually modifies an undesirable occurrence)
- he promptly forgot the address
promptly,

Synonyms

at once forthwith immediately instantly like a shot straightaway straight off directly now promptly

Words of close approximity