Synonyms and Antonyms of instanter
without delay as soon as I had called out that answer, I instanter knew that it was wrong Synonyms bang, directly, forthwith, headlong, incontinently, instantaneously, immediately, instantly, now, PDQ, plumb, presently, promptly, pronto, right, right away, right now, right off, straightaway, straight off, straightwayRelated Words away, freely; anon, momentarily, shortly, soon; apace, briskly, fast, fleetly, full-tilt, posthaste, quick, quickly, rapidly, readily, snappily, speedily, swift, swiftly; abruptly, presto, suddenly, unexpectedly; hastily, impetuously, impulsively, rashly, recklessly; exactly, opportunely, punctually, seasonablyNear Antonyms slowly; late, tardily
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