'infantilism' definitions:
Definition of 'infantilism'
From: WordNet
noun
An abnormal condition in which an older child or adult retains infantile characteristics
noun
Infantile behavior in mature persons
Synonyms of 'infantilism'
From: 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,
- moronism,
- moronity,
- profound idiocy,
- puerilism,
- puerility,
- retardation,
- retardment,
- simple-wittedness,
- simplemindedness,
- simpleness,
- simplicity,
- subnormality