Đồng nghĩa của smart as a tack

sharp quick acute astute clever quick-witted keen perceptive sharp-witted alert bright discerning knowing penetrating sensitive intelligent ready smart apt discriminating nimble penetrative shrewd fine incisive percipient perspicacious piercing keen-witted savvy agile intuitive nimble-witted cute insightful probing rapier-like searching acuminous brainy brilliant canny clear-eyed clear-sighted exceptional fast genius hardheaded heads-up heady hyperintelligent long-headed pawky subtle supersmart ultrasmart whip-smart argute finely honed hard-boiled observant accurate adroit critical exact foxy ingenious quick off the mark quick on the uptake resourceful wise witty not missing a trick on the ball having smarts nobody's fool not born yesterday knowing how many beans make five quick on the trigger with all one's wits about one sagacious judicious knowledgeable able skilful sage experienced gifted skillful prudent sensible artful sapient adept deft dexterous expert cunning slick masterly capable dextrous accomplished proficient rational profound skilled aware educated learned intellectual talented thoughtful competent crafty streetwise erudite crack good calculating wily enlightened smooth deep careful virtuoso cagey informed sly scholarly practised precocious delicate masterful handy efficient polished ace practiced farsighted politic professional consummate master versed nifty cerebral sophisticated suss circumspect seasoned understanding wizard vigilant razor-sharp logical great trained watchful inventive attentive with it wary open-eyed excellent whiz clear tasty cool active discreet crackerjack cautious mean precise awake well versed cultured sound veteran complete first-rate street smart responsive compleat on guard on the lookout elite practical top-notch heedful well-informed wide awake cultivated tentie tenty quick-thinking professed Argus-eyed trenchant wicked analytical facile first-class tuned in reasonable alive on the qui vive street-smart scheming on one's toes qualified slippery refined far-seeing all there conversant bravura sharp as a tack guileful gnostic wide-awake worldly-wise stellar analytic habile academic workmanlike conscious hardened fly creative reflective prompt wised up devious strong on your toes bookish mindful on the alert a dab hand at on the job highbrow designing tough sharpened philosophical enquiring chary outstanding well read sharp-sighted guarded mature schooled well-advised hot sharp-eyed well informed eagle-eyed media-savvy keen-eyed hotshot inquisitive hawk-eyed downy well-read prepared worldly contemplative neat on tiptoe astucious thinking all ears inquiring steely cluey sentient foresighted realistic lively reasoned literate quick on the draw imaginative strategic extraordinary effective businesslike sober well-honed tactical level-headed solid no-nonsense wired spirited Machiavellian commonsensical razor-edged knife-like responsible magnificent well educated considerate impressive well-reasoned concentrating in the know specialist well judged marvellous hip effectual diplomatic formidable regardful with great knowledge full of insight wakeful crisp nimble-fingered pro well-rounded beady-eyed artistic exquisite au fait intent well-grounded there powerful on the watch with eyes like a hawk marvelous tasteful tricky top-drawer bright-eyed and bushy-tailed tactful immensely skilled highly qualified on your guard very skilled gimlet-eyed highly skilled exceptionally skilled with eyes peeled out of this world extraordinarily skilled thorough up to speed heads up highly trained big league dodgy selective disingenuous lettered beguiling familiar acquainted well-developed insighted original razor sharp cagy cognizant desirable questioning fastidious enterprising brisk justified studious contriving conniving unsentimental hard-bitten sophic well-founded apprised pragmatic ratiocinative effortless expedient comprehending well advised hep instructed down-to-earth tutored well thought out certain commonsense together razor-like phenomenal civilized splendid scientific clean matter-of-fact hard coherent levelheaded commonsensible superior widely read sure versant showing great knowledge intriguing illuminated remarkable philosophic eggheaded choice whip visionary class on top of knows what's what sane no dummy certified au courant interested agog anxious leery pointed topflight ear to the ground genial just finely judged endowed deadly unsleeping very intelligent grounded old vet clued up well-thought-out civilised Einstein having been around keeping your eyes peeled keeping a weather eye on things well-versed paying attention top-hole waiting on on the beam fast on the draw on toes whiz kid good hands looking for with weather eye open looking to on alert class act shining at a hand at superintelligent whetted fully developed in-depth sharp-edged self-aware concise shady sneaky underhanded shifty einstein manipulative succinct punchy pithy bluestocking receptive sprightly straight decisive swift PDQ minute swotty streamlined plotting proper exacting detailed complex considered smooth-running teachable unscrupulous sussed deliberated superlative wonderful dazzling to the point vigorous mercurial curt star superb mentally keen quick to learn fluent innovative no fool strict express categorical frugal appreciative prescient nippy fit leading polite wise to urbane unprovincial egghead gingerly premeditating slim safe leet supreme keeping one's eyes skinned with one's eyes open book smart drilled phenom cogitative well-organized well organized suspicious inspired inch-perfect advisable smart as a whip fleet heightened in one's best interests privy appraised literary hooked glued with one's eyes skinned cool-headed clear-thinking having fancy footwork as sharp as a tack with your wits about you clued-in on the stick vital apprehensive resolute intractable recognizant clued dominant suitable fitted judgmatical judgmatic innovational trailblazing fertile originative Promethean elaborate innovatory well run supremely skilled hard-nosed finely tuned smashing fab peerless efficacious pedantic esoteric recondite having good hands having know-how brill magic abreast witting well-taught finished pioneering A1 very able tip-top know stuff no slouch very good seasonable judicial common-sense seemly well-judged suited equal adequate donnish apperceptive hard-headed clued-up tuned-in arch treating with kid gloves gracious courteous opportunistic conciliatory bland suave well reasoned deviceful equipped easy observing dynamite with-it up to it highly endowed up to snuff know one's onions worthy know backwards and forwards know the ropes intense investigative examining exploratory researching curious with both feet on the ground liberal open-minded very smart ware posted well-educated polymath professorial abstruse omniscient solemn pansophic grave studied forward thinking outside the box having a knack for cut out for broad-minded well versed focused perky hang tough stand pat locked in tough nut know how many beans make five fully awake wide-eyed particular genned up having a good head on one's shoulders having no flies on surveying deducing correct eager considering intentive discovering detecting contemplating focussed advertent observative specialized underhand balanced valid top-shelf developed advanced serious-minded firm consequent have smarts advanced for one's age have the goods ahead of one's peers out of the ordinary old beyond one's years got it specialised progressive tolerant free-thinking shark calculated inside full of common sense discriminative having all one's marbles steady-going in right mind discriminatory discriminational differential on the inside plausible justifiable veridical faultless collected unquestionable veracious deductive synthetic credible objective infallible trustable reasoning knowing what's what hip to in the picture plugged in up on aesthetic nice rigorous substantiated secure confirmed errorless proven corroborated colorable meticulous truthful sincere impeccable cogent inerrant validated verified choosy with good taste picky individualising opinionated individualizing choicy esthetic finical select eclectic persnickety fussy finicky defensible maintainable definite defendable calculable explicit supportable tenable sustainable empirical cognitive open stringent empiric flippant facetious cheeky jazzed sarcastic mischievous sassy on-target letter-perfect clear-cut dead-on spot-on flip bantering smarty-pants bold tongue-in-cheek smart-alecky droll jesting saucy highbrowed humorous fresh whimsical insolent smart-aleck brazen jocular psyched up switched on

smart as a whip smartass smartasses smart asses smart-asses SMART board smart arses smart-arsed smart alecs smart-alecky smart alecky smart alecks