1. plural of infantility; childish or immature behaviors, characteristics, or qualities
Usage: typically used in formal or critical contexts
2. plural of infantility; the state or condition of being infantile or underdeveloped
Usage: medical or developmental psychology term

Examples

• The critic dismissed the film's humor as full of infantilities that would appeal only to young children.
• His constant tantrums and infantilities made it difficult for colleagues to take him seriously.
• The therapist noted that the patient's infantilities stemmed from unresolved childhood trauma.
• She grew tired of his infantilities and decided to end the relationship.
• The novel satirizes the infantilities of the wealthy elite who refuse to accept responsibility.
• Parents must gently discourage infantilities while supporting their child's emotional growth.