en
frontier
/ˈfrʌn.tir/
Definition
1
The border or boundary of a country or region, especially one marking the edge of settled or civilized land.
2
An extreme limit or advanced boundary in knowledge, technology, or experience.
3
A newly established or developing area, often associated with exploration or pioneering.
Examples
The cowboy eyed the dusty frontier, wondering if tumbleweeds came with Wi-Fi.
Pushing the frontiers of laziness, he invented a remote for his fridge.
On the tech frontier, AI now writes better excuses than your dog ever ate.
Space remains humanity's final frontier, mostly because parking is impossible.