Synonyms for On the spot:

• adj.

  •behind the eight ball (adjective)
  • in dutch.
  •defenseless (adjective)
  • poor,
  • like a sitting duck,
  • unprotected,
  • unarmed,
  • weak,
  • naked,
  • in line of fire,
  • helpless,
  • hands tied,
  • Caught,
  • up the creek,
  • wide open,
  • pigeon,
  • on line,
  • indefensible,
  • endangered,
  • unguarded,
  • open,
  • on the line,
  • like a clay pigeon.
  •exposed (adjective)
  • visible,
  • defined,
  • unsheltered,
  • disclosed,
  • clear,
  • apparent,
  • found out,
  • manifest,
  • Shown,
  • bared,
  • unmasked,
  • solved,
  • unsealed,
  • Exhibited,
  • peeled,
  • revealed,
  • resolved,
  • Divulged,
  • debunked,
  • brought to light,
  • unconcealed,
  • discovered,
  • uncovered,
  • denuded,
  • bare,
  • evident.
  •extemporaneous (adjective)
  • toss off,
  • ad-lib,
  • unrehearsed,
  • Autoschediastic,
  • toss out,
  • extemporary,
  • fake.
  •extemporaneous/extemporary (adjective)
  • informal,
  • on impulse,
  • jamming,
  • off the top of head,
  • extempore,
  • impromptu,
  • spontaneous,
  • makeshift,
  • tossed off,
  • taking for ride,
  • made-up,
  • ad hoc,
  • by ear,
  • offhand,
  • off the cuff,
  • thought out loud,
  • unprepared,
  • on-the-spot,
  • Improviso,
  • immediate,
  • snap,
  • IMPROV,
  • casual,
  • tossed out,
  • expedient,
  • spur-of-the-moment,
  • ad lib,
  • free,
  • unplanned,
  • unstudied,
  • automatic,
  • Improvisatory,
  • at first glance,
  • winging it,
  • unpremeditated.
  •instant (adjective)
  • dire,
  • present-day,
  • existent,
  • direct,
  • extant,
  • imperative,
  • insistent,
  • clamant,
  • importunate,
  • fast,
  • prompt,
  • quick,
  • current,
  • split-second,
  • contemporary,
  • burning,
  • exigent,
  • crying,
  • pressing,
  • instantaneous.
  •off-the-cuff (adjective)
  • improvised.
  •on call (adjective)
  • at hand,
  • prepared,
  • accessible,
  • handy,
  • available.
  •Other relevant words: (adjective)
  • defenseless,
  • night call,
  • at disposal,
  • laid bare,
  • hanging by thread,
  • on call,
  • risky,
  • on view,
  • off deep end,
  • unveiled,
  • hanging by a thread,
  • off the deep end,
  • playing with fire,
  • on deck,
  • touch and go,
  • unhidden,
  • at beck and call,
  • in pickle,
  • not a prayer,
  • within reach,
  • on thin ice,
  • in hot water,
  • vulnerable,
  • stripped,
  • at one's fingertip,
  • going for broke,
  • at one's beck and call,
  • dug up,
  • on slippery ground,
  • on alert,
  • vincible,
  • in a pickle,
  • made manifest,
  • behind eight ball,
  • on the hot seat,
  • standing by,
  • fraught with danger,
  • Pregnable,
  • for show,
  • in a tight spot,
  • behind the eight ball,
  • on-call,
  • at one's disposal,
  • on display,
  • exposed.
  •pregnable (adjective)
  • Attackable.
  •present (adjective)
  • near,
  • in view,
  • made the scene,
  • accounted for,
  • in attendance,
  • there,
  • show up,
  • there with bells on.
  •risky (adjective)
  • tricky,
  • hazardous,
  • wide-open,
  • insecure,
  • hairy,
  • chancy,
  • venturesome,
  • precarious,
  • unsafe,
  • dicey,
  • unsound,
  • ticklish,
  • treacherous,
  • unhealthy,
  • rocky,
  • speculative,
  • sensitive,
  • uncertain,
  • wicked,
  • Jeopardous,
  • touch-and-go,
  • long shot,
  • touchy,
  • iffy,
  • delicate,
  • perilous.
  •snappy (adjective)
  • hasty,
  • abrupt,
  • instant,
  • harefooted,
  • fleet,
  • speedy,
  • sudden,
  • swift,
  • rapid,
  • breakneck,
  • expeditious.
  •vulnerable (adjective)
  • ready,
  • liable,
  • tender,
  • sucker,
  • assailable,
  • susceptible,
  • sitting duck,
  • thin-skinned.

• adv

  •Other relevant words: (adverb)
  • unhesitatingly,
  • this minute,
  • right now,
  • Instanter,
  • at short notice,
  • now or never,
  • like now,
  • hereupon,
  • double-time,
  • in a jiffy,
  • without hesitation,
  • without waste,
  • peremptorily,
  • out on a limb,
  • immediately,
  • arbitrarily,
  • straight away,
  • on the dot,
  • up a tree,
  • out on limb.

• adv.

  •all (adverb)
  • on the spot.
  •here (adverb)
  • attending,
  • hither,
  • present,
  • in this direction,
  • on board,
  • hereabouts,
  • hitherto,
  • on this spot,
  • attendant,
  • on hand.
  •immediately (adverb)
  • thereupon,
  • promptly,
  • now,
  • shortly,
  • rapidly,
  • PDQ,
  • forthwith,
  • in a flash,
  • in a new york minute,
  • pronto,
  • ANON,
  • on the double,
  • directly,
  • summarily,
  • instantly,
  • straight off,
  • away,
  • soon,
  • instantaneously.
  •Other relevant words: (adverb)
  • soonest,
  • in nothing flat,
  • tout de suite,
  • this instant,
  • expeditiously,
  • soon afterward,
  • readily,
  • without delay,
  • urgently.
  •out on a limb (adverb)
  • dangerous,
  • shaky.
  •summarily (adverb)
  • speedily,
  • swiftly.

• n.

  •jeopardy (noun)
  • chance,
  • liability,
  • risk,
  • venture,
  • Endangerment,
  • hazard,
  • peril,
  • vulnerability,
  • accident,
  • precariousness.
  •Other relevant words: (noun)
  • in security,
  • double trouble,
  • double-trouble,
  • exposure,
  • jeopardy,
  • insecurity.

Antonyms for On the spot:

• adj.

  • defenseless
    powerful, strong.
  • exposed
    safe, shielded, protected, private, closed, ambiguous, obscure, hidden, blocked, secret, guarded, unclear, sheltered, concealed, vague, clothed.
  • extemporaneous
    deliberate, premeditated.
  • extemporaneous/extemporary
    prepared, Rehearsed, planned, written, read.
  • instant
    eventual, late, slow, tardy, old-fashioned, future, old, unimportant, delayed, past.
  • present
    previous, far, former, absent, distant, away.
  • risky
    healthy, assured, honest, well, harmless, secure, stable, sure, insensitive, certain, definite.
  • snappy
    unfashionable, pleasant, sluggish, happy, outdated, nice.
  • vulnerable
    unsusceptible.

• adv.

  • here
    there.
  • immediately
    later, never, eventually.
  • summarily
    slowly.

• n.

  • jeopardy
    surety, protection, safety, assurance, plan, certainty.