invisiblefriend
nounUK /ɪnˈvɪzəbl frɛnd/
US /ɪnˈvɪzəbl frɛnd/
A friend you imagine is there, even though you cannot see them.
When she was little, she had an invisible friend named Max who went everywhere with her.
OTHER MEANINGS
2. A companion a child invents to play with and talk to.
He set an extra place at the table for his invisible friend.
3. A made-up playmate that helps a child feel less lonely.
Her invisible friend kept her company during the long car ride.
4. A pretend character a child treats as real.
The teacher smiled when the boy introduced his invisible friend to the class.