vastlength
nounUK /ˈvɑːst.lɛŋθ/
US /ˈvæst.lɛŋθ/
A very, very long distance or size.
The vastlength of the ocean amazed the little boat.
OTHER MEANINGS
2. The quality of being extremely long from end to end.
The vastlength of the hallway made it feel like a tunnel.
3. A huge amount of time that seems to stretch on and on.
The vastlength of the summer holidays felt wonderful.
4. The wide, open reach of something like space or the sea.
Stars filled the vastlength of the night sky.