An emotional dependency on being treated as an infant. / (sexuality) A paraphilia based on the sight or feeling of diapers, or being diapered.

plural of infantilism

Pertaining to infants. / Childish; immature.

(transitive) To reduce (a person) to the state or status of an infant. / (transitive) To treat (a person) like a child.

present participle of infantilize

Third-person singular simple present indicative form of infantilize

simple past tense and past participle of infantilize

plural of infantilization

The act or process of infantilizing, or treating a non-infant as an infant.

In an infantile manner; childishly.