CONTIGUOUS

contiguous, immediate

(adjective) very close or connected in space or time; “contiguous events”; “immediate contact”; “the immediate vicinity”; “the immediate past”

adjacent, conterminous, contiguous, neighboring

(adjective) having a common boundary or edge; abutting; touching; “Rhode Island has two bordering states; Massachusetts and Connecticut”; “the side of Germany conterminous with France”; “Utah and the contiguous state of Idaho”; “neighboring cities”

conterminous, contiguous

(adjective) connecting without a break; within a common boundary; “the 48 conterminous states”; “the contiguous 48 states”

Source: WordNet® 3.1

Etymology

Adjective

contiguous (not comparable)

Connected; touching; abutting.

Adjacent; neighboring.

Connecting without a break.

Source: Wiktionary

Con*tig"u*ous, a. Etym: [L. contiguus; akin to contigere to touch on all sides. See Contingent.]

Definition: In actual contact; touching; also, adjacent; near; neighboring; adjoining. The two halves of the paper did not appear fully divided . . . but seemed contiguous at one of their angles. Sir I. Newton. Sees no contiguous palace rear its head. Goldsmith. Contiguous angles. See Adjacent angles, under Angle.

Syn.

– Adjoining; adjacent. See Adjacent. - Con*tig"u*ous*ly, adv.

– Con*tig"u*ous*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition