insulate
🇺🇸
/ˈɪnsəleɪt/
🇬🇧
/ˈɪnsjuleɪt/
to cover something with a material that stops heat, sound, or electricity from passing through
You should insulate your house to keep it warm in winter.
to protect someone or something from bad experiences or outside influences
Parents often try to insulate their children from harm.