Đồng nghĩa của jumping the gun

acting prematurely gaining advantage preempting beating the gun getting a boost getting a lift getting a head start getting a leg up beating someone to the punch

presuming assuming supposing believing conjecturing guessing surmising thinking imagining postulating presupposing speculating inferring positing deducing expecting hypothesising hypothesizing trusting concluding daresaying divining hypothecating judging premising saying suspecting suspicioning taking it daring say implying considering depending figuring gathering predicating pretending relying banking on counting on taking for granted taking as read

premature hasty impulsive precipitate rash ill-considered overhasty ill-timed precipitous previous untimely impetuous inopportune too soon half-baked half-cocked spontaneous unpremeditated headlong capricious hurried instinctive extemporaneous impromptu snap involuntary unplanned whimsical intuitive incautious uninhibited adventurous thoughtless daredevil foolhardy freakish unthinking unprompted injudicious reckless sudden unconsidered emotional unrepressed quick madcap abrupt unguarded abandoned daring unpredictable imprudent unwary irresponsible offhand speedy spur-of-the-moment superficial swift unmeditated careless perfunctory brash passionate unexpected ad-lib hot-headed ill-thought-out devil-may-care automatic winging it wild hectic heedless ill-advised temerarious harum-scarum foolish hare-brained indiscreet unwise hotheaded negligent inconsiderate improvident rushed irrational knee-jerk harebrained unconscious audacious mindless ill-judged inadvertent helter-skelter precipitant unprepared extempore off-the-cuff reflex unintentional casual silly ad hoc hell-for-leather misguided kamikaze cursory gadarene flying improvised improvisational slapdash unrehearsed drive-by pell-mell extemporary offhanded senseless unthought-out unwitting unintended venturesome venturous overbold unheeding stupid mechanical headstrong unstudied bold unforeseen carefree flighty reflexive ill-conceived short-sighted scatterbrained overconfident uncontrolled unanticipated furious down and dirty improvisatory impolitic over-adventurous indelicate death-or-glory giddy breakneck immature instinctual jumping to conclusions tearaway regardless rushing on-the-spot unrestrained unconditioned crackbrained frivolous from the hip without warning witless natural brainless out of the blue immediate haphazard illogical tactless habitual insouciant unarranged reactive fiery frenzied insuppressible determined unscripted undiplomatic inattentive inadvisable unreasoned unsafe over-venturesome unreasoning inexpedient instantaneous graceless undesigned unforced ad lib uncareful futile birdbrained ad libitum unlooked-for unmindful off the cuff not bargained for remiss without notice playing with fire crazy unintelligent idiotic impractical crackpot neglectful unbridled nonsensical imbecilic scatty erratic violent cavalier clueless moronic rapid robotic mechanic wanton instant inept gut unwilled unbidden intemperate desperate flippant damfool subitaneous dippy immoderate blind unpracticed dotty free adventuresome unannounced easy-going unscheduled random featherbrained makeshift light-minded bull-in-a-china-shop fast and loose unreasonable lamebrained unsound idiotical simpleminded meaningless pointless not thought through lamebrain nonrational not planned fruitless out of control dim-witted half-witted free and easy not in the cards not rehearsed off the top of one's head spur of the moment feather-brained uncircumspect subconscious unlearned subliminal untaught default surprising heady suicidal unthoughtful risky whirlwind dangerous fearless intrepid courageous off your own bat uncoordinated willing voluntary accidental snatched shortsighted misjudged brave dauntless undaunted autogenetic routine mad naive startling responsive unduly quick eager fierce ardent rough tempestuous unadvisable inconstant divvy extemporized meteoric absent-minded impassioned vehement unsystematic unempirical wrong-headed wrong unsuitable inappropriate wide open badly thought out nonchalant unconcerned happy-go-lucky death-defying romping disorderly uncontrived self-destructive unreflecting adventitious aleatory off deep end out on limb leaving self wide open off the deep end undesirable dumb autoschediastic improv extemporal fervid restive risk-taking airy insensitive improviso informal catch-as-catch-can swaggering untroubled breezy unworried indifferent oblivious fly-by-night extemporised radge unsubtle infelicitous garrulous nosy chaotic wacky lively daft overventuresome lackadaisical careless of one's duty ditzy dizzy skittish by ear made-up on impulse disregardful uncaring irreflective careless of blithe unsmart cobbled together thrown together going off deep end sloppy vacant unmeant blunt untactful feckless brutish outrageous napping seat-of-the-pants uncontrollable easygoing easy unselfconscious unaffected relaxed excitable without regard unwatchful unobservant off-guard blindsiding unheralded unbewised unchosen conditioned uncalculated unalert uncautious wary unvigilant extravagant frothy batty dopey goofy ditsy puerile yeasty unhoped for unlooked for nutty dappy lavish asleep at the switch out to lunch genuine open excited bemused gaga bubbleheaded unscientific fast-and-loose unreserved caught napping asleep at the wheel leading with one's chin off guard pay no mind sticking one's neck out not careful any old way asleep on the job foot-in-mouth unworkable frantic unrestricted prodigal unfettered profuse abundant volatile excessive empty-headed light-headed ridiculous unformed sophomoric undeveloped unrealistic raw unchecked unruly rampant corrupt runaway underdeveloped unhampered unconstrained unhindered incorrigible unprincipled unbounded footloose and fancy-free sharp lightning shameless accelerated fast fleet expeditious spasmodic acute quickened poorly planned explosive unusual speeded not fully developed cock-eyed without delay

jumping the line jumping the queue jumping the reservation jumping through hoops jumping to jumping to a conclusion jumping stick jumping spiders jumping spider jumping someone's bones jumping shrews jumping shrew