[adjective] very close or connected in space or time; "contiguous events"; "immediate contact"; "the immediate vicinity"; "the immediate past" Synonyms:immediate
[adjective] connecting without a break; within a common boundary; "the 48 conterminous states"; "the contiguous 48 states" Synonyms:conterminous
[adjective] having a common boundary or edge; touching; "abutting lots"; "adjoining rooms"; "Rhode Island has two bordering states; Massachusetts and Conncecticut"; "the side of Germany conterminous with France"; "Utah and the contiguous state of Idaho"; "neighboring cities" Synonyms:abutting, adjacent, adjoining, conterminous, neighboring