Bohemian, abrupt, ad lib, ad libitum, ad-lib, affable, airily, airy, aloof, any old way, any which way, anyhow, at short notice, at sight, blase, brusque, bunglingly, by ear, by the by, by the way, careless, carelessly, casual, casually, cavalier, clumsily, cool, cordial, cursorily, cursory, curt, degage, devil-may-care, disregardant, disregardful, disregardfully, distant, easy, easygoing, en famille, en passant, extemporaneous, extemporaneously, extemporarily, extemporary, extempore, familiar, familiarly, flippant, folksy, forgetful, forgetfully, free and easy, glib, gracious, haphazardly, haymish, heedless, heedlessly, helter-skelter, hit and miss, hit or miss, homely, homey, impromptu, improvisatorial, improvise, improvised, improviso, in passing, inattentively, incidentally, inconsiderate, inconsiderately, indifferent, informal, informally, insouciant, irregular, jury-rigged, lackadaisical, lazy, light-hearted, loose, makeshift, messily, natural, naturally, nonchalant, oblivious, off the cuff, off the hip, off-the-cuff, offhanded, offhandedly, on sight, once over lightly, out of hand, parenthetically, perfunctorily, perfunctory, plain, plainly, promiscuously, reckless, recklessly, regardless, regardlessly, relaxed, relaxedly, respectless, sans ceremonie, simple, simply, slapdash, sloppily, smooth, sociable, spur-of-the-moment, stopgap, superficial, superficially, tactless, tactlessly, thoughtless, thoughtlessly, unaffected, unaffectedly, unassuming, unassumingly, unceremonious, unceremoniously, unconcerned, unconstrained, unconstrainedly, unconventional, undiplomatic, ungracious, unguardedly, unheedful, unheedfully, unheeding, unheedingly, uninterested, unmindful, unmindfully, unofficial, unofficially, unpremeditated, unprepared, unready, unrehearsed, unsolicitous, unsolicitously, unstudied, untactful, unthinking, unthinkingly, unvigilantly, unwarily, without ceremony
impulse, sudden thought, impromptu, improvisation, inspiration, flash, spurt, improvisatore, creature of impulse, extemporaneous, impulsive, indeliberate, snap, improvised, improvisate, improvisatory, unpremeditated, unmeditated, improvise, unprompted, unguided, natural, unguarded, spontaneous, instinctive, extempore, extemporaneously, offhand
, impromptu, a limproviste, improviso, on the spur of the moment, on the spur of the occasion, impulse, impulsion, impetus, momentum, push, pulsion, thrust, shove, jog, jolt, brunt, booming, boost, throw, explosion, propulsion, percussion, concussion, collision, occursion, clash, encounter, cannon, carambole, appulse, shock, crash, bump, impact, elan, charge, beating, blow, dint, stroke, knock, tap, rap, slap, smack, pat, dab, fillip, slam, bang, hit, whack, thwack, cuff, squash, dowse, swap, whap, punch, thump, pelt, kick, punce, calcitration, ruade, arietation, cut, thrust, lunge, yerk, carom, carrom, clip, jab, plug, sidewinder, sidewipe, sideswipe, hammer, sledge hammer, mall, maul, mallet, flail, ram, rammer, battering ram, monkey, pile-driving engine, punch, bat, cant hook, cudgel, ax, dynamics, seismometer, accelerometer, earthquake detector, impelling, impulsive, impellent, booming, dynamic, dynamical, impelled, a hit, a very palpable hit.
earliness, morning, punctuality, promptitude, haste, suddenness, prematurity, precocity, precipitation, anticipation, a stitch in time, early, prime, forward, prompt, summary, premature, precipitate, precocious, prevenient, anticipatory, rath, sudden, unexpected, near, near at hand, immediate, early, soon, anon, betimes, rath, eft, eftsoons, ere long, before long, shortly, beforehand, prematurely, precipitately, too soon, before its time, before one's time, in anticipation, unexpectedly, suddenly, before one can say 'Jack Robinson', at short notice, extempore, on the spur of the moment, on the spur of the occasion, at once, on the spot, on the instant, at sight, offhand
, out of hand, a' vue d'oeil, straight, straightway, straightforth, forthwith, incontinently, summarily, immediately, briefly, shortly, quickly, speedily, apace, before the ink is dry, almost immediately, presently at the first opportunity, in no long time, by and by, in a while, directly, no sooner said than done, immediately, if not sooner, tout vient a temps pour qui sait attendre.
inattention, inconsideration, inconsiderateness, oversight, inadvertence, inadvertency, nonobservance, disregard, supineness, etourderie, want of thought, heedlessness, insouciance, abstraction, absence of mind, absorption of mind, preoccupation, distraction, reverie, brown study, deep musing, fit of abstraction, inattentive, unobservant, unmindful, heedless, unthinking, unheeding, undiscerning, inadvertent, mindless, regardless, respectless, listless, blind, deaf, bird-witted, hand over head, cursory, percursory, giddy-brained, scatter-brained, hare-brained, unreflective, unreflecting, ecervele, offhand
, dizzy, muzzy, brainsick, giddy, giddy as a goose, wild, harum-scarum, rantipole, highflying, heedless, careless, inconsiderate, thoughtless, absent, abstracted, distrait, absentminded, lost, lost in thought, wrapped in thought, rapt, in the clouds, bemused, dreaming on other things, musing on other things, preoccupied, engrossed, daydreaming, in a reverie, off one's guard, napping, dreamy, caught napping, disconcerted, distracted, put out, inattentively, inadvertently, absent-mindedly, per incuriam, sub silentio, Int, stand at ease, stand easy!, the attention wanders, one's wits gone a woolgathering, one's wits gone a bird's nesting, it never entered into one's head, the mind running on other things, one's thoughts being elsewhere, had it been a bear it would have bitten you.
neglect, carelessness, trifling, negligence, omission, oversight, laches, default, supineness, inattention, nonchalance, imprudence, recklessness, slovenliness improvidence, noncompletion, inexactness, paralipsis, paralepsis, paraleipsis (in rhetoric), trifler, waiter on Providence, Micawber, neglecting, unmindful, negligent, neglectful, heedless, careless, thoughtless, perfunctory, remiss, feebleness, inconsiderate, uncircumspect, incircumspect, off one's guard, unwary, unwatchful, unguarded, offhand
, supine, inattentive, insouciant, imprudent, reckless, slovenly inexact, improvident, neglected, unheeded, uncared-for, unperceived, unseen, unobserved, unnoticed, unnoted, unmarked, unattended to, unthought of, unregarded, unremarked, unmissed, shunted, shelved, unexamined, unstudied, unsearched, unscanned, unweighed, unsifted, unexplored, abandoned, buried in a napkin, hid under a bushel, negligently, hand over head, anyhow, in an unguarded moment, per incuriam, Int, never mind, no matter, let it pass, out of sight, out of mind.