a little learning, absentmindedness, amateurism, appearance, big deal, carelessness, dilettantism, dilettantship, disregard, disregardfulness, distraction, emptiness, exteriority, externality, externalness, extrinsicality, flightiness, flimsiness, flippancy, fluffiness, foolishness, foreignness, frivolity, frivolousness, frothiness, futility, giddiness, glimmering, glimpse, half-learning, heedlessness, idleness, imperfect knowledge, inadvertence, inadvertency, inanity, inattention, inattentiveness, inconsideration, incuriosity, indifference, inobservance, lack of depth, levity, lightmindedness, lightness, manner, mien, negligence, nonobservance, nugacity, obliviousness, openness, outerness, outward appearance, outwardness, regardlessness, sciolism, seeming, semi-learning, shallow-wittedness, silliness, slenderness, slight knowledge, slightness, smattering, smattering of ignorance, smattering of knowledge, superficiality, surface-scratching, thinness, thoughtlessness, triflingness, triteness, triviality, trivialness, unalertness, unawareness, unconsciousness, unheedfulness, unintentiveness, unmindfulness, unobservance, unprofoundness, unprofundity, unwariness, unwatchfulness, vacuity, vague notion, vanity, vapidity, volatility