Conterminal is a term used to describe two or more things that share a common boundary or endpoint. Some synonyms for Conterminal include contiguous, adjacent, neighboring, abutting, and bordering. These words describe a relationship between two things that are connected, either physically or conceptually. Contiguous refers to things that share a common border or that are next to each other. Adjacent describes two things that are nearby or adjoining. Neighboring means two things that are located next to or near each other. Abutting refers to things that are adjoined at a common boundary point, while Bordering is used to describe something that is adjacent to a specific area or region.