in·fan·til·ism ( n f n-tl-z m, n-f ntl-)n. 1. A state of arrested development in an adult, characterized by retention of infantile mentality, accompanied by stunted growth and sexual immaturity, and often by dwarfism. 2. a. Marked immaturity, as in behavior or character: "infantilism, which is the subtext of so much American cinema and culture" (John Simon). b. An infantile act or remark. |
infantilism
the condition of one who is not a child acting abnormally childlike. — infantility, n. — infantilistic, adj.
See also: Psychology
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | infantilism - an abnormal condition in which an older child or adult retains infantile characteristics abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies ateleiosis, ateliosis - a form of infantilism characterized by physical underdevelopment but normal intelligence |
| 2. | infantilism - infantile behavior in mature persons |
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