Synonyms for Summarily:

• adv.

  •concisely (adverb)
  • briefly.
  •early (adverb)
  • without delay.
  •without delay (adverb)
  • arbitrarily,
  • expeditiously,
  • forthwith,
  • immediately,
  • peremptorily,
  • promptly,
  • readily,
  • speedily,
  • swiftly,
  • at short notice,
  • without waste.

• adv

  •concisely (adverb)
  • briefly.
  •early (adverb)
  • at once,
  • in no time.

• Other synonyms:

  •at once
  • immediately.
  •Other relevant words:
  • abruptly,
  • abstractly,
  • apace,
  • arbitrarily,
  • at once,
  • brief,
  • briefly,
  • briskly,
  • brusquely,
  • compactly,
  • compendious,
  • comprehensively,
  • concise,
  • concisely,
  • condensed,
  • crisply,
  • cursorily,
  • curt,
  • curtly,
  • decisively,
  • densely,
  • directly,
  • economically,
  • expeditiously,
  • extemporaneously,
  • extempore,
  • fast,
  • forthright,
  • forthwith,
  • headlong,
  • immediately,
  • in a flash,
  • in brief,
  • in no time,
  • in short,
  • instantaneously,
  • instantly,
  • laconic,
  • laconically,
  • minutely,
  • offhand,
  • on-the-spot,
  • out of hand,
  • peremptorily,
  • pointedly,
  • precipitately,
  • prompt,
  • promptly,
  • pronto,
  • quickly,
  • readily,
  • right,
  • right away,
  • roughly,
  • sententiously,
  • short,
  • shortly,
  • smartly,
  • sparely,
  • speedily,
  • stockily,
  • straight,
  • straight off,
  • straightaway,
  • straightway,
  • succinct,
  • succinctly,
  • suddenly,
  • summary,
  • swiftly,
  • terse,
  • tersely,
  • thickly,
  • totally,
  • unhesitatingly,
  • without delay,
  • Aphoristically,
  • Elliptically,
  • Incontinently,
  • Instanter,
  • Pithily,
  • Compendiously,
  • Straightforth,
  • Subito,
  • straight away,
  • in a while,
  • PDQ,
  • synoptically,
  • right off,
  • at short notice,
  • without warning,
  • at sight,
  • without hesitation,
  • without waste,
  • in a word,
  • p.d.q..

Antonyms for Summarily:

• adv.

  • without delay
    slowly.
  • Other antonyms:
    diffusely, long-windedly, verbosely, wordily, repetitiously.