Definitions

1. adjective

Being next to or in close proximity to something else; adjacent.

“The contiguous states of the United States share borders with Mexico and Canada.”

2. noun

A set of numbers or points that are next to each other in a mathematical or geometric sense.

“The contiguous points of the graph formed a continuous line.”

3. noun

A country or region that is adjacent to another country or region.

“The contiguous territories of the two countries have a long-standing border dispute.”