baby talk
US /ˈbeɪ.bi ˌtɔːk/
UK /ˈbeɪ.bi ˌtɔːk/

1.
linguaggio infantile, parlata infantile
a simplified type of speech used by adults when talking to young children, or by young children learning to speak
:
•
She used baby talk when speaking to her newborn niece.
Ha usato il linguaggio infantile quando parlava con la sua nipotina appena nata.
•
The toddler's baby talk was adorable.
Il linguaggio infantile del bambino era adorabile.