infantilism
noun
1 infantilism
An abnormal condition in which an older child or adult retains infantile characteristics.
2 infantilism
Infantile behavior in mature persons.
Polish: infantylność, infantylizm, dziecinność
Moby thesaurus: amentia, arrested development, babyishness, backwardness, blithering idiocy, childishness, cretinism, half-wittedness, idiocy, idiotism, imbecility, immaturity, insanity, mental defectiveness, mental deficiency, mental handicap, mental retardation, mongolianism, mongolism, mongoloid idiocy ... show more.
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