Đồng nghĩa của once and again

from time to time now and again occasionally sometimes every now and then every so often now and then off and on once in a while on occasion on occasions on the odd occasion periodically sporadically at intervals at times erratically every now and again every once in a while intermittently irregularly spasmodically by fits and starts discontinuously ever so often fitfully in fits and starts infrequently interruptedly not often piecemeal once in awhile once in a blue moon once or twice ever and anon now here and there hardly uncommonly rarely on and off scarcely seldom isolatedly exceptionally oddly unusually seldomly semioccasionally abnormally scatteredly sparsely unaccustomedly limitedly episodically scantly scantily unwontedly scarcely ever hardly ever at random only now and then consistently recurrently variably fluctuating alternately vacillating uncustomarily at one time or another ever and again off-and-on aberrantly aperiodically anomalously atypically casually unconventionally uncharacteristically surprisingly unexpectedly time to time unfrequently unorthodoxly uniquely little barely whimsically inhabitually unoften almost never on rare occasions only occasionally a few times not very often in a few cases meagerly strangely in few instances amazingly peculiarly meagrely

usually often commonly generally normally ordinarily chiefly largely practically predominantly primarily principally typically habitually mainly mostly regularly routinely as a rule conventionally on the whole standardly traditionally customarily historically natch naturally by and large consistently frequently in the main occasionally sometimes unremarkably USU wontedly wontly almost always for the most part in general most often of course as is usual as usual needless to say as a general rule as is the custom more often than not now and again now and then most of the time in the general run of things per usual constantly continually repeatedly steadily oftentimes recurrently always methodically invariably unfailingly oft very often again and again in most cases on average time after time at regular intervals many times over and over time and again many a time oft-times not infrequently time and time again day after day a great deal at frequent intervals all the time a lot commonplacely unexceptionally averagely prosaically undistinguishedly mediocrely boringly pedestrianly humdrumly uninterestingly blandly unexcitingly mundanely plainly characterlessly colourlessly uninspiredly unmemorably indifferently colorlessly quotidianly middlingly nondescriptly uneventfully tediously lacklustrely forgettably lacklusterly monotonously uninspiringly drably banally drearily fairly stalely passably tamely insipidly flatly tolerably tritely familiarly insignificantly unimaginatively adequately simply drily modestly jejunely wearisomely lifelessly mediumly tiresomely moderately decently accustomedly ornerily slowly predictably stodgily neutrally aridly stuffily unpretentiously monochromatically fairishly inferiorly amateurly ponderously amateurishly leadenly heavily oldly featurelessly quietly inconspicuously stupidly unoriginally unexceptionably vapidly acceptably spiritlessly tiredly satisfactorily ubiquitously okayly tiringly greyly grayly prevalently dustily wearily unimportantly respectably unobjectionably prevailingly derivatively sterilely repetitively soullessly unostentatiously serviceably meanly platitudinously anaemically discreetly goodly wishy-washily unobtrusively characteristically anemically unnoticeably ploddingly inoffensively subtly expectedly formulaically unimpressively popularly unvaryingly repetitiously sufficiently finely trivially lowlily dimly passionlessly lamely fixedly humbly unspectacularly plebeianly hackily homelily generically retiringly mildly facelessly innocuously representatively presentably orthodoxly admissibly stereotypically reasonably cornily basically terrestrially archetypally archetypically stiffly inconsequentially antiseptically chronically intermediately irksomely plastically harmlessly hiddenly unassumingly allowably obscurely subduedly negligibly unemphatically secretively indistinctly faintly tenuously shily understatedly conservatively peacefully gently poorly acceptedly unchangingly limply vacuously feebly noncommittally indistinctively competently invisibly zestlessly bloodlessly limitedly casually informally desolately inconsiderably barrenly immaterially truely currently paltrily pleasantly woodenly acknowledgedly anonymously mechanically cleanly clichédly prosily imperceptibly impersonally weakly medianly reservedly straightforwardly unadventurously softly immemorably annoyingly irritatingly periodically wearifully classically domestically lustrelessly pallidly mimetically indecisively inconclusively blankly expressionlessly vexatiously businesslikely torpidly tonelessly mimically deadly formalistically lightly seasonally unentertainingly imitatively universally agreeably unrelievedly apishly soberly canonically uselessly kosherly palatably pleasingly dowdily bleakly unappealingly flavorlessly nerdily flavourlessly wimpily tidily unimpeachably irrelevantly prolixly soporifically actually lusterlessly practicably squarely damply wintrily oppressively windily downcastly dispiritingly rawly sorrowfully slavishly repressedly starchly obviously symptomatically inherently rifely worthlessly piddlingly pointlessly minimally emblematically indicatively foreseeably reliably anticipatedly prescriptively relaxedly circumspectly provincially parochially meaninglessly commensurately emulatively unsophisticatedly properly likelily distinctively idiosyncratically distinguishingly unsurprisingly proverbially ably plentily automatically systematically rigidly innocently insularly natively individualistically tastefully publically peaceably ignobly lowly rurally uncreatively roughly meagerly severely unrefinedly unimposingly safely benignly whitely turgidly matter-of-factly wretchedly ingloriously shabbily vulgarly unadornedly friendlily calmly unnoticedly namelessly starkly miserably sordidly scrubbily lumpenly uncouthly meagrely contemptibly pitifully unfitly pettily punily emptily inanely truistically

once and for all once a quarter once-a-week once a year once daily once every semester once-a-month once again once a day once on call-out on-call