(n.) The state or quality of being immature or not fully developed; unripeness; incompleteness.

adulteration amateurishness amateurism arrestment babyishness brand-newness callowness childishness coarseness crudeness crudity defectibility defectiveness deficiency dewiness erroneousness fallibility faultiness freshness gloss of novelty greenness ignorance immatureness impairment imperfection imprudence impurity inaccuracy inadequacy inadequateness inadvisability inattention incompleteness incompletion inconsideration indiscreetness indiscretion inexactitude inexactness inexpedience inexperience infancy infantilism injudiciousness intactness irrationality juiciness juniority lack lateness maidenhood mediocrity minority mint condition newbornness newfangledness newfangleness newness nonage nondevelopment novelness novelty nowness originality oversimplicity oversimplification patchiness pompousness presentness pristineness puerilism puerility rawness reasonlessness recency recentness recklessness reductionism roughness rudeness sappiness scrappiness senselessness short measure short weight shortage shortcoming simplism sketchiness strangeness stuffiness the rough thoughtlessness unaccustomedness unacquaintance unacquaintedness uncommonness uncultivation underdevelopment undevelopment unevenness unexperiencedness unfamiliarity unfinish unfinishedness unfledgedness unintelligence unperfectedness unpracticedness unprofessionalism unprofessionalness unreason unreasonableness unrefinement unripeness unsensibleness unsoundness unthoughtfulness unusualness unwisdom unwiseness virginity want witlessness