1. (adj)adjacent, next, side by side(p) nearest in space or position; immediately adjoining without intervening space Antonyms: far, unconnected, distant
2. (adj)adjacent, conterminous, contiguous, neighboring(a) having a common boundary or edge; abutting; touching Antonyms: far, distant, unconnected
3. (adj)adjacent near or close to but not necessarily touching Synonyms: neighboring(a), contiguous, conterminous, side by side(p), next Antonyms: distant, far, unconnected