Definition for Instant:

• Pressing, urgent: immediate: quick: without delay: present, current, as the passing month.

Synonyms for Instant:

• adj.

  •all (adjective)
  • instantaneous.
  •burning (adjective)
  • compelling,
  • vital,
  • crying,
  • acute,
  • critical,
  • clamorous,
  • urgent,
  • crucial.
  •coming (adjective)
  • in the offing,
  • close,
  • in store,
  • Nearing,
  • in view,
  • forthcoming,
  • future,
  • Preparing,
  • at hand,
  • impending,
  • in the wind,
  • near,
  • imminent,
  • immediate,
  • expected,
  • in prospect.
  •contemporary (adjective)
  • up-to-date,
  • latest,
  • now,
  • today,
  • topical,
  • up-to-the-minute,
  • new.
  •current (adjective)
  • modern,
  • ongoing.
  •destined (adjective)
  • overhanging,
  • that will be,
  • in the cards,
  • brewing,
  • threatening,
  • menacing,
  • to come,
  • Looming.
  •dire (adjective)
  • burning.
  •important (adjective)
  • burning.
  •importunate (adjective)
  • importunate.
  •instant (adjective)
  • pressing,
  • insistent,
  • exigent,
  • on-the-spot,
  • clamant,
  • existent,
  • fast,
  • contemporary,
  • quick,
  • direct,
  • dire,
  • current,
  • imperative,
  • extant,
  • prompt,
  • instantaneous,
  • present,
  • present-day,
  • importunate.
  •prepared (adjective)
  • ready-made.
  •present (adjective)
  • just now,
  • present-day.

• n.

  •
  • suddenly,
  • straight,
  • promptly.
  •
  • twinkle,
  • time,
  • JIFF,
  • bout,
  • tick.
  •
  • point.
  •bit (noun)
  • stretch,
  • spell,
  • little while,
  • moment,
  • space.
  •chance (noun)
  • occasion.
  •circumstance (noun)
  • situation,
  • moment,
  • conjuncture,
  • happening,
  • landmark,
  • incidence,
  • juncture,
  • occasion,
  • circumstance,
  • basis,
  • condition,
  • status,
  • occurrence,
  • episode,
  • cardinal point,
  • event,
  • milestone.
  •immediate (noun)
  • prepared,
  • precooked,
  • prompt,
  • immediate,
  • on-the-spot.
  •instant (noun)
  • nothing flat,
  • breath,
  • flash,
  • exigent,
  • time,
  • while,
  • imperative,
  • clamant,
  • crying,
  • split second,
  • occasion,
  • tick,
  • insistent,
  • point,
  • juncture,
  • jiffy,
  • twinkling,
  • minute,
  • fast,
  • new york minute,
  • present,
  • short while,
  • second,
  • bat of the eye,
  • crack,
  • instantaneous,
  • sec,
  • inst,
  • blink of an eye,
  • wink,
  • moment,
  • trice.
  •now (noun)
  • present,
  • now,
  • today,
  • here and now,
  • immediacy.
  •present (noun)
  • present moment.
  •split second (noun)
  • blink of an eye,
  • half a second,
  • millisecond,
  • microsecond.
  •time interval (noun)
  • while.
  •timelessness (noun)
  • instantaneousness,
  • timelessness.
  •without delay (noun)
  • time,
  • right away,
  • straightaway,
  • instantly,
  • straight off,
  • directly,
  • forthwith,
  • immediately,
  • right off,
  • first off,
  • at once.

• Other synonyms:

  •New York minute
  • new york minute.
  •
  • destined,
  • JIFF,
  • urgent,
  • jag.
  •
  • dalliance,
  • time,
  • pressing,
  • emergent.
  •
  • bout.
  •
  • dire,
  • tick.
  •
  • burst.
  •
  • burning.
  •
  • point.
  •
  • place.
  •prompt
  • ready.
  •ready
  • prepared.
  •without delay
  • straightaway,
  • immediate,
  • right away,
  • immediately,
  • forthwith,
  • instantly,
  • right off,
  • directly,
  • straight off.
  •Other relevant words:
  • Subito,
  • critical,
  • glaring,
  • hour,
  • immanent,
  • flash,
  • right away,
  • happen,
  • blink,
  • precooked,
  • tick,
  • dire,
  • bout,
  • at short notice,
  • force,
  • extemporaneous,
  • actual,
  • lowering,
  • new,
  • expeditious,
  • immediately,
  • suddenly,
  • daguerreotype,
  • exhalation,
  • summarily,
  • enlargement,
  • arcminute,
  • intelligent,
  • instance,
  • straight,
  • photoflash,
  • futurity,
  • negative,
  • awake,
  • automatic,
  • flying,
  • clamorous,
  • lurking,
  • forthwith,
  • in view,
  • flash of lightning,
  • imperious,
  • space,
  • present-day,
  • while,
  • twinkle,
  • place,
  • in prospect,
  • haste,
  • exacting,
  • earnest,
  • bat,
  • quick on the trigger,
  • no time,
  • hint,
  • jag,
  • abrupt,
  • sec,
  • fragrance,
  • quickly,
  • direct,
  • microsecond,
  • point,
  • consequence,
  • flashbulb,
  • sudden,
  • twitch,
  • pertinacious,
  • season,
  • be active,
  • in the cards,
  • inst,
  • just now,
  • minute,
  • out of hand,
  • readily,
  • vociferous,
  • pregnant moment,
  • that will be,
  • approaching,
  • swift,
  • per saltum,
  • necessary,
  • ostentation,
  • momentaneous,
  • furious,
  • come,
  • flashing,
  • ready-made,
  • hasty,
  • slapdash,
  • new york minute,
  • positive,
  • alert,
  • smart,
  • alacritous,
  • at that time,
  • momentum,
  • Subitaneous,
  • high-priority,
  • reflex,
  • winking,
  • precipitate,
  • go ahead,
  • at that instant,
  • at that moment,
  • presently,
  • split second,
  • Proximately,
  • current,
  • second base,
  • in a trice,
  • interval,
  • Yare,
  • briefly,
  • pivotal,
  • breathing,
  • imminent,
  • slap-bang,
  • offhand,
  • impetuous,
  • snap,
  • exorbitant,
  • prompt,
  • at once,
  • arcsecond,
  • time,
  • time lag,
  • festinate,
  • short time,
  • punctual,
  • to come,
  • news bulletin,
  • jiffy,
  • in no time,
  • blinking,
  • secondment,
  • on-the-spot,
  • hurried,
  • like a shot,
  • without delay,
  • instantaneously,
  • straightaway,
  • menacing,
  • life-and-death,
  • up-to-date,
  • Straightforth,
  • on that occasion,
  • being,
  • grade,
  • Producing,
  • on time,
  • proximate,
  • absorbing,
  • serious,
  • rash,
  • all at once,
  • early,
  • flagrant,
  • Talbotype,
  • quick,
  • overnight,
  • in the offing,
  • instinctive,
  • holograph,
  • clamant,
  • access,
  • spry,
  • passing,
  • twinkling,
  • precipitous,
  • reduction,
  • swiftly,
  • superficial,
  • impulsive,
  • eye blink,
  • latest,
  • at a stroke,
  • in a moment,
  • Twink,
  • soon,
  • color photograph,
  • timely,
  • instantly,
  • blink of an eye,
  • detail,
  • little,
  • on the horizon,
  • bat of an eye,
  • speedy,
  • decisive,
  • pressing,
  • fateful moment,
  • close at hand,
  • plump,
  • prepared,
  • heliotype,
  • grasping,
  • Incontinently,
  • importunate,
  • Coup D'oeil,
  • horizon,
  • JIFF,
  • egregious,
  • slap,
  • presto,
  • pronto,
  • Calotype,
  • taxing,
  • cursory,
  • lose no time,
  • culmination,
  • feverish,
  • millisecond,
  • lightning,
  • loud,
  • mo,
  • peak,
  • triggered,
  • dalliance,
  • speedily,
  • rapidly,
  • emergency,
  • point in time,
  • Instanter,
  • insistent,
  • extortionate,
  • in store,
  • overhanging,
  • over hanging,
  • psychological moment,
  • nictation,
  • urgent,
  • period,
  • running,
  • close,
  • little bit,
  • stage,
  • momentary,
  • Nearing,
  • blatant,
  • then,
  • shake,
  • newsbreak,
  • in the wind,
  • straight off,
  • snappy,
  • near,
  • straightway,
  • day,
  • summary,
  • vital,
  • hair-trigger,
  • at sight,
  • apt,
  • gathering,
  • endorsement,
  • spurt,
  • about to be,
  • second,
  • in a while,
  • spate,
  • in embryo,
  • importance,
  • moment of truth,
  • coup,
  • existing,
  • modern,
  • spontaneous,
  • emergent,
  • stroke,
  • that is,
  • instantaneous,
  • second gear,
  • important,
  • flash bulb,
  • unpremeditated,
  • nothing flat,
  • high pressure,
  • discontinuous,
  • crying,
  • crucial,
  • express,
  • unthinking,
  • bit,
  • present time,
  • breath,
  • bestir oneself,
  • draining,
  • head,
  • pulse,
  • unhesitating,
  • fresh,
  • forthcoming,
  • friendly chat,
  • trice,
  • shortly,
  • short while,
  • rush,
  • extant,
  • photograph,
  • irregular,
  • burst,
  • strident,
  • outbreak,
  • contemporaneous,
  • precipitant,
  • extempore,
  • necessitous,
  • rapid,
  • print,
  • half a second,
  • flash lamp,
  • howling,
  • imperative,
  • flare,
  • upcoming,
  • stretch,
  • present moment,
  • heliograph,
  • existent,
  • compelling,
  • flashgun,
  • directly,
  • immediate,
  • momently,
  • unplanned,
  • synchronic,
  • span,
  • contemporary,
  • brewing,
  • Indorsement,
  • import,
  • spell,
  • waiting,
  • promptly,
  • impending,
  • effort,
  • high-speed,
  • little while,
  • incautious,
  • destined,
  • right off,
  • up-to-the-minute,
  • bat of the eye,
  • near-at-hand,
  • urgently,
  • wink,
  • threatening,
  • ongoing,
  • persistent,
  • repetitive,
  • pulsation,
  • just then,
  • meteoric,
  • fleet,
  • burning,
  • in reserve,
  • ready,
  • acute,
  • topical,
  • momentarily,
  • as is,
  • crack,
  • pregnant,
  • Looming,
  • last-minute,
  • gross,
  • life-or-death,
  • expected,
  • kairos,
  • apace,
  • demanding,
  • heartbeat,
  • newsflash,
  • hastily,
  • min,
  • sparkle,
  • on the cards,
  • first off,
  • brisk,
  • Preparing,
  • fast,
  • Upon,
  • exigent,
  • Impendent,
  • sharp,
  • minute of arc,
  • at hand.

Antonyms for Instant:

• adj.

  • burning
    unimportant.
  • contemporary
    old, old-fashioned, preceding, past.
  • current
    uncontemporary, uncommon, antiquated.
  • destined
    avoidable, unscheduled.
  • dire
    trivial.
  • instant
    delayed, later, late, eventual.
  • Other antonyms:
    trivial, antique, fusty, ended, minor, prolonged, stable, former, outworn, concluded, antediluvian, incidental, antiquated, old, over, delayed, obsolete, up, through, completed, dilatory, coming, sluggish, passe, terminated, done, finished, imploring, pleading, dated, safe, protracted, tardy, ancient, negligible, oldfangled, beseeching, old fashioned, erstwhile, musty, unimportant, out-of-date, unborn, archaic, bygone, ago, deferred, old-time, noncritical.