Đồng nghĩa của on the spur of the moment

Đồng nghĩa: suddenly,

impetuously impromptu impulsively on impulse spontaneously unpremeditatedly without planning without premeditation without thinking all of a sudden on the spot out of the blue suddenly unexpectedly

short suddenly abruptly asudden unexpectedly instantly promptly unanticipatedly sharply swiftly unawares immediately instantaneously quickly forthwith at once straight away without notice without warning by surprise all at once in a flash in an instant in a trice all of a sudden out of the blue on spur of moment like a shot straight off bang in two shakes before you can say knife before you can say Jack Robinson surprisingly unpredictably unforeseen arbitrarily without preparation precipitously precipitately acutely unaware like magic magically sharp directly expeditiously right away speedily without delay without hesitation readily rapidly right off without formality summarily without due process at short notice peremptorily on the spot without discussion

extemporaneously spontaneously freely impromptu extempore off the cuff offhand without rehearsal ad libitum without preparation ad-lib ad lib at the drop of a hat just like that impulsively on the fly off the top of your head instinctively unrehearsed on the spot on impulse on a whim in the heat of the moment a piacere without thinking unpremeditatedly without planning without consideration without checking without previous consideration without previous thought makeshift improv improvised by ear off the top of one's head off the hip spur of the moment improvisationally off-the-cuff unconsciously unthinkingly

cursorily hastily hurriedly precipitately headlong precipitously hotfoot rashly pell-mell speedily recklessly heedlessly impulsively carelessly impetuously expeditiously quickly thoughtlessly helter-skelter in a hurry rapidly fast incautiously swiftly briskly imprudently posthaste post-haste hurry-scurry unthinkingly foolishly passionately in haste at top speed at full tilt at a run at a gallop lickety-split at the double at a lick like mad like the wind double quick as fast as possible like the clappers at warp speed like a bomb in a rush at a rate of knots in double quick time prematurely agilely nimbly too quickly busily spontaneously vehemently in the heat of the moment without thinking wildly without delay irresponsibly apace indiscreetly furiously frantically like crazy like billy-o like blazes like greased lightning headstrongly inadvisedly abruptly indomitably headily daringly precipitantly unwarily boldly fiercely feverishly unwisely madly excitedly unpreparedly ill-advisedly foolhardily overhastily injudiciously temerariously violently suddenly brashly negligently fierily hotheadedly inconsiderately unguardedly emotionally unrestrainedly ardently rushedly audaciously uncontrollably mindlessly uncontrolledly fervidly carefreely frenziedly fervently intensely improvidently adventurously flyingly uninhibitedly venturesomely unbridledly unrulily irrationally ungovernably inattentively demonstratively excitably flightily regardlessly intemperately venturously disorderlily volatilely casually unexpectedly unheedingly enthusiastically capriciously warmly unmanageably abandonedly riotously strongly waywardly unsafely eagerly zealously spiritedly lawlessly undisciplinedly willfully flamingly insouciantly wantonly overboldly boisterously perfervidly burningly torridly incandescently ill-judgedly immoderately tempestuously tumultuously religiously turbulently unobservantly rampantly giddily blazingly determinedly restively refractorily desperately freely intractably unanticipatedly recalcitrantly rebelliously irascibly disobediently earnestly obstreperously unpremeditatedly chaotically rowdily animatedly insubordinately anarchically mutinously untowardly profligately heatedly unconstrainedly unwatchfully touchily instantly overconfidently flippantly noisily incontinently hectically extravagantly unboundedly livelily glowingly misguidedly fastly irrepressibly excessively previously unmindfully fractiously hotly impatiently explosively instantaneously immaturely insuppressibly incorrigibly profusely absent-mindedly opinionatedly uncarefully extemporaneously instinctively relaxedly temperamentally dangerously skittishly wilfully unrestrictedly nonchalantly riskily frivolously blithely unworriedly unannouncedly forcefully unrepressedly prodigally dizzily whimsically sillily defiantly mercurially scattily vigorously senselessly remissly frowardly contumaciously lavishly cavalierly snappily neurotically erratically rawly balkily contrarily fanatically ragingly fleetly acceleratedly roughly loudly untroubledly spasmodically unreservedly blindly dippily shortsightedly perfunctorily neglectfully unyieldingly perversely dozily clamorously overzealously unfetteredly dottily sloppily dissolutely superficially hysterically licentiously adventuresomely assertively bawdily quarrelsomely ignorantly imperviously ornerily forwardly light-mindedly inexorably drunkenly credulously meanly volcanically suicidally full tilt precipitiously wastefully reactively slap bang shiftlessly disruptively intrepidly fearlessly courageously impotently unthriftily uneconomically thriftlessly impolitically inopportunely powerfully difficultly dauntlessly bravely undauntedly warily uncautiously unthoughtfully short-sightedly disregardfully inadvertently uncaringly emphatically rumbustiously rollickingly without forethought head first intuitively involuntarily hazardously unhesitatingly promptly forcibly stupidly unadvisedly unconcernedly head over heels urgently assiduously allegiantly committedly steadfastly dedicatedly haphazardly smartly freakishly unpromptedly myopically fecklessly dithyrambically heartfeltly forgetfully inconstantly airily nervously unpredictably keenly vociferously outspokenly vocally corruptly depravedly dissipatedly battily yeastily swaggeringly breezily puerilely futilely goofily indifferently frothily light-heartedly jauntily prankishly blasély sensitively automatically stridently insistently forthrightly effusively immodestly energetically messianically nuttily nippily zippily meteorically blisteringly breathlessly rattlingly splittingly obliviously abstractedly debauchedly unprincipledly wickedly sinfully epidemically unreflectingly unselfconsciously easily unaffectedly naturally edgily consumingly potently deliriously angrily pronouncedly concentratedly rabidly heartily lackadaisically bemusedly brainlessly scandalously monstrously anxiously heinously rifely jumpily tensely immorally shamelessly dominantly rankly outrageously aggressively pandemically distractedly shockingly atrociously worriedly unstably immediately sharply movingly poignantly affectingly inspiringly stirringly eloquently expressively deeply thrillingly obstinately pervasively self-willedly exuberantly flagrantly prevalently shortly briefly cyclonically chippily moodily brittly twitchily unsettledly uptightly unconventionally stubbornly luxuriantly genuinely openly hyperexcitably jitterily hyperkinetically spookily threateningly fecundly flourishingly blusteringly growingly extensively predominantly ramblingly acutely hyperactively uneasily testily unreasonably indiscriminately uproariously unusually inflammably galvanically restlessly fidgetily peevishly susceptibly intolerantly ravingly unreasoningly obtusely purblindly sultrily vivaciously without rhyme or reason abundantly with all your heart frenetically anyhow amuck berserkly amok harum-scarum berserk wild at full speed as quickly as possible jumbled random topsy-turvy hell for leather irregular around about at full pelt tumultuous higgledy-piggledy cluttered muddled hit-or-miss disorderly at random in confusion any which way like a bat out of hell

on the square on the stage on the statute book on the stick on the stocks on the streets on-the-spot on the spot on the spectrum on the small side on the sly on the slate