straightaway

(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, right away, straight off, directly, now,
(s) performed with little or no delay
- an immediate reply to my letter
- a prompt reply
- was quick to respond
- a straightaway denial
prompt, immediate, quick,

Nouns

(n) a straight segment of a roadway or racecourse straight,

Synonyms

straight at once forthwith immediately instantly like a shot right away straight off directly now prompt immediate quick

Words of close approximity