boundlessextension

noun
UK /ˈbaʊndləs ɪkˈstɛnʃən/
US /ˈbaʊndləs ɪkˈstɛnʃən/

A boundless extension is something that stretches out forever with no end.

The starry sky looked like a boundless extension of twinkling lights.


OTHER MEANINGS

2. A computer feature that can keep growing without any fixed limit.

The app's storage is a boundless extension, so you never run out of room.

3. An endless addition to a building or space.

The museum felt like a boundless extension of rooms and hallways.

4. A feeling of endless possibility or opportunity.

Learning a new language felt like a boundless extension of her world.