Definition for Without delay:

• Within a reasonable time allowed by statute, custom or usage.

Synonyms for Without delay:

• adv.

  •early (adverb)
  • straightaway,
  • directly,
  • in a jiffy,
  • in no time,
  • summarily,
  • promptly,
  • thereupon,
  • soon,
  • instantaneously,
  • at once.
  •forthwith (adverb)
  • suddenly,
  • now,
  • quickly.
  •immediately (adverb)
  • in a flash,
  • straight off,
  • on the double,
  • rapidly,
  • PDQ,
  • pronto,
  • shortly.
  •instantly (adverb)
  • right.

• Other synonyms:

  •Other relevant words:
  • flatly,
  • hastily,
  • demand,
  • openly,
  • briskly,
  • quick,
  • at one stroke,
  • swiftly,
  • simultaneously,
  • double-quick,
  • in a moment,
  • momentarily,
  • all together,
  • right off,
  • flat,
  • Subito,
  • short,
  • brashly,
  • in a second,
  • once,
  • straightway,
  • decisively,
  • in a trice,
  • asap,
  • punctually,
  • on the nail,
  • in a hurry,
  • per saltum,
  • time,
  • on request,
  • baldly,
  • brazenly,
  • apace,
  • nail,
  • in short order,
  • like greased lightning,
  • expeditiously,
  • plainly,
  • Lickety Split,
  • prompt,
  • at full tilt,
  • speedily,
  • double,
  • like lightning,
  • forthright,
  • chop-chop,
  • hurriedly,
  • p.d.q.,
  • precipitately,
  • on the run,
  • on demand,
  • at a stroke,
  • at one time,
  • post-haste,
  • straight,
  • all at once,
  • smartly,
  • like a shot,
  • in haste.

Antonyms for Without delay:

• adv.

  • early
    late.
  • forthwith
    later.
  • immediately
    eventually, never.
  • readily
    unwillingly.
  • short
    long.
  • Other antonyms:
    hereafter.