infantilize

• infantilise

From infantile +‎ -ize (“make into”).

• (General American) IPA^(key): /ɪn.ˈfæn.tɪ.laɪz/

• Audio (Southern England)

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infantilize (third-person singular simple present infantilizes, present participle infantilizing, simple past and past participle infantilized)

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