Synonyms and related words :
agnosticism, blank mind, blankmindedness, blankness, callowness, calm of mind, childishness, emptiness of mind, empty-headedness, fallow mind, fatuity, foolishness, greenhornism, greenness, hiatus of learning, ignorance, ignorantism, ignorantness, immaturity, imprudence, inability, inadeptness, inadequacy, inadvisability, inanity, inaptitude, inaptness, inattention, inattentiveness, incapability, incapacity, incompetence, incompetency, inconsideration, indexterity, indiscreetness, indiscretion, ineffectiveness, ineffectuality, inefficiency, ineptness, inexpedience, inexperience, injudiciousness, innocence, irrationality, know-nothingism, knowledge-gap, lack of information, maladjustment, maladroitness, mediocrity, mental blankness, nescience, nirvana, oblivion, obscurantism, passivity, pedestrianism, pompousness, puerility, quietism, rawness, reasonlessness, recklessness, rustiness, senselessness, simpleness, simplicity, skill-lessness, stuffiness, tabula rasa, thoughtfreeness, thoughtlessness, tranquillity, unacquaintance, unaptness, uncleverness, undeftness, undexterousness, undextrousness, unfamiliarity, unfitness, unfittedness, unknowing, unknowingness, unproficiency, unreason, unreasonableness, unripeness, unschooledness, unsensibleness, unskillfulness, unsoundness, unthoughtfulness, untrainedness, unwisdom, unwiseness, vacancy, vacuity, vacuousness, witlessness