Synonyms for Un-expected:

• adj.

  •abnormal (adjective)
  • funny,
  • out of line,
  • unexpected,
  • Anomalistic,
  • anomalous,
  • spastic,
  • weird,
  • screwy,
  • preternatural,
  • extraordinary,
  • heterodox,
  • Heteroclite,
  • queer,
  • Heteromorphic,
  • off-color,
  • odd,
  • divergent,
  • irregular,
  • unorthodox,
  • uncommon,
  • Deviating,
  • exceptional,
  • off-base,
  • aberrant,
  • unnatural,
  • peculiar,
  • deviant,
  • grody,
  • atypical,
  • gross,
  • fantastic,
  • curious,
  • strange,
  • deviate,
  • eccentric,
  • unusual,
  • bizarre.
  •abrupt (adjective)
  • jerky,
  • precipitate,
  • hasty,
  • surprising,
  • precipitous,
  • quick,
  • unceremonious,
  • rushing,
  • hurried.
  •accidental (adjective)
  • coincidental,
  • adventitious,
  • unplanned,
  • fluky,
  • unintended,
  • random,
  • casual,
  • incidental,
  • uncalculated,
  • inadvertent,
  • contingent,
  • unintentional.
  •atypic (adjective)
  • uncharacteristic,
  • unordinary.
  •casual (adjective)
  • by chance,
  • improvised,
  • serendipitous,
  • extempore,
  • uncertain,
  • erratic,
  • unpremeditated,
  • spontaneous,
  • offhand,
  • extemporaneous,
  • impromptu,
  • occasional,
  • infrequent.
  •contingent (adjective)
  • likely,
  • dependent,
  • probable,
  • haphazard,
  • probably,
  • subject to,
  • unforeseeable,
  • controlled by.
  •curious (adjective)
  • mysterious,
  • exotic,
  • unconventional,
  • oddball,
  • remarkable,
  • rare,
  • marvelous,
  • quaint,
  • unique,
  • puzzling,
  • novel,
  • singular.
  •early (adjective)
  • directly,
  • in good time,
  • betimes,
  • bright and early,
  • presently,
  • early bird,
  • Oversoon,
  • ANON,
  • far ahead,
  • too soon,
  • unexpectedly,
  • beforehand,
  • soon,
  • Proximately,
  • briefly,
  • on short notice,
  • promptly,
  • before long,
  • with time to spare,
  • previous,
  • prematurely,
  • in the bud,
  • on the dot,
  • ahead of time,
  • in advance,
  • a bit previous,
  • pronto,
  • shortly,
  • immediately,
  • ere long,
  • in time.
  •haphazard (adjective)
  • disorganized,
  • careless,
  • arbitrary,
  • helter-skelter,
  • unmethodical,
  • Designless,
  • reckless,
  • aimless,
  • uncoordinated,
  • slapdash,
  • hit-or-miss,
  • desultory,
  • devil-may-care,
  • unsystematic,
  • willy-nilly,
  • purposeless,
  • all over the map,
  • unconscious,
  • unconsidered,
  • indiscriminate,
  • unconcerned,
  • unorganized,
  • unthinking,
  • slipshod,
  • disorderly,
  • any which way,
  • loose,
  • fluke,
  • any old way.
  •impetuous (adjective)
  • furious,
  • going off deep end,
  • vehement,
  • violent,
  • spur-of-the-moment,
  • fierce,
  • unbridled,
  • passionate,
  • rash,
  • restive,
  • eager,
  • ardent,
  • Subitaneous,
  • unrestrained,
  • impassioned,
  • precipitant,
  • fervid,
  • unreflecting,
  • headlong.
  •impulsive (adjective)
  • flaky,
  • unprompted,
  • gone off deep end,
  • emotional,
  • hot-and-cold,
  • winging it,
  • automatic,
  • Unmeditated,
  • ad-lib,
  • involuntary,
  • instinctive,
  • up-and-down,
  • mad,
  • intuitive,
  • jumping the gun.
  •ironic (adjective)
  • critical,
  • trenchant,
  • contradictory,
  • contemptuous,
  • twisted,
  • Jibing,
  • Backbiting,
  • defiant,
  • ironical,
  • biting,
  • cynical,
  • implausible,
  • double-edged,
  • incisive,
  • caustic,
  • sardonic,
  • arrogant,
  • quick-witted,
  • keen,
  • sneering,
  • cutting,
  • satiric,
  • incongruous,
  • acrid,
  • clever,
  • spicy,
  • disparaging,
  • exaggerated,
  • alert,
  • derisive,
  • uncomplimentary,
  • bitter,
  • paradoxical,
  • mocking,
  • witty,
  • wry,
  • ridiculous,
  • scoffing,
  • scathing,
  • burlesque,
  • mordant,
  • satirical,
  • sharp,
  • Chaffing,
  • pungent.
  •precipitous/precipitate (adjective)
  • heedless,
  • jump the gun,
  • without warning,
  • gone off half-cocked,
  • uncontrolled,
  • harum-scarum,
  • willful,
  • indiscreet,
  • rapid,
  • refractory,
  • brief,
  • breakneck,
  • off the hip,
  • Plunging,
  • impatient,
  • madcap,
  • frantic,
  • off the top of head,
  • ill-advised.
  •startling (adjective)
  • alarming,
  • shocking.
  •swift (adjective)
  • like crazy,
  • snappy,
  • expeditious,
  • supersonic,
  • speedy,
  • cracking,
  • screaming,
  • nimble,
  • spanking,
  • short,
  • shaking a leg,
  • winged,
  • on the double,
  • express,
  • fleet,
  • alacritous,
  • fleet-footed,
  • double-quick,
  • in nothing flat,
  • flying,
  • Barrelling,
  • speedball,
  • like mad,
  • prompt,
  • ready,
  • short-lived.
  •unaccustomed (adjective)
  • imported,
  • outlandish,
  • unwonted,
  • altered,
  • foreign,
  • unknown,
  • different,
  • unprecedented,
  • alien,
  • special,
  • uncustomary,
  • variant,
  • out of the ordinary,
  • unfamiliar.
  •undesigned (adjective)
  • Unmeant.
  •undreamed-of (adjective)
  • unimagined,
  • undreamt-of.
  •unexpected (adjective)
  • fortuitous,
  • amazing,
  • accidental,
  • impulsive,
  • unlooked-for,
  • payback,
  • startling,
  • abrupt,
  • unheralded,
  • stunning,
  • instantaneous,
  • astonishing,
  • chance,
  • unpredicted,
  • from left field,
  • staggering,
  • not bargained for,
  • unanticipated,
  • unforeseen,
  • out of the blue,
  • swift,
  • unpredictable,
  • wonderful,
  • sudden,
  • electrifying,
  • not in the cards,
  • prodigious,
  • impetuous,
  • eye-opening.
  •unfamiliar (adjective)
  • original,
  • new,
  • little known,
  • obscure,
  • out-of-the-way,
  • remote,
  • unaccustomed,
  • uninvestigated,
  • unexplored,
  • recondite.
  •unforeseeable (adjective)
  • chancy,
  • capricious,
  • incalculable,
  • unknowable,
  • changeable.
  •unforeseen (adjective)
  • surprise.
  •unintentional/unintended (adjective)
  • unthought,
  • undevised,
  • undesigned,
  • unwitting.
  •unordinary (adjective)
  • Atypic.
  •unplanned (adjective)
  • aleatory.
  •unprepared (adjective)
  • vulnerable,
  • unrehearsed,
  • unschooled,
  • not prepared,
  • unskilled,
  • unready,
  • untrained,
  • napping,
  • played by ear,
  • off the cuff,
  • ill-considered,
  • off the top of one's head,
  • caught off guard,
  • surprised,
  • unaware,
  • taken off guard.
  •unusual (adjective)
  • awesome,
  • far-out,
  • noteworthy,
  • memorable,
  • phenomenal,
  • significant,
  • distinguished,
  • prominent,
  • unparalleled,
  • refreshing,
  • outstanding,
  • eminent,
  • something else,
  • abnormal,
  • inconceivable,
  • conspicuous,
  • incredible,
  • awe-inspiring.

• adv.

  •out of the blue (adverb)
  • unprepared for,
  • not predicted.

• n.

  •surprise (noun)
  • fortune,
  • stupefaction,
  • wonderment,
  • attack,
  • jolt,
  • eureka,
  • Astoundment,
  • incredulity,
  • precipitance,
  • marvel,
  • suddenness,
  • awe,
  • eye-opener,
  • revelation,
  • prodigy,
  • disillusion,
  • shock,
  • phenomenon,
  • miracle,
  • thunderbolt,
  • precipitousness,
  • miscalculation,
  • portent,
  • wonder,
  • curveball,
  • precipitation,
  • whammy,
  • rarity,
  • bombshell,
  • bewilderment,
  • consternation,
  • disappointment,
  • start,
  • epiphany,
  • astonishment,
  • godsend,
  • abruptness,
  • amazement,
  • kick,
  • curiosity.

Antonyms for Un-expected:

• adj.

  • abnormal
    customary, conforming, usual, regular, ordinary, conventional, normal, straight, standard, common, Familiar.
  • abrupt
    expansive, at ease, gradual, calm, kind, lazy, leisurely, nice.
  • accidental
    essential, premeditated, decided, intended.
  • casual
    serious, formal, painstaking.
  • contingent
    certain, definite, unconditional, sure, real, truthful.
  • curious
    average, commonplace, uninterested, incurious, disinterested, indifferent.
  • early
    late, later.
  • haphazard
    methodical, organized, careful, thought-out, particular, specific, systematic.
  • impetuous
    circumspect, considerate, cautious, wise, reflective, sensible, thoughtful.
  • impulsive
    premeditative, heedful, Considering.
  • ironic
    sincere.
  • swift
    delayed, sluggish.
  • unaccustomed
    ready, accustomed, prepared.
  • unexpected
    designed, expected, deliberate, slow, intentional, planned, predictable.
  • unfamiliar
    knowing, versed, experienced, known.
  • unforeseen
    foreseen, predicted.
  • unusual
    like, poor, bad, unimportant, similar, typical, unnoteworthy, unexceptional, insignificant.

• n.

  • surprise
    calmness, composure, indifference, expectation, coolness, happiness.