ETYM Latin contiguus; akin to contigere to touch on all sides. Related to Contingent.
Very close or connected in space or time; SYN. immediate.
Adjacent; touching.
Having a shared boundary; being immediately adjacent. For example, contiguous sectors on a disk are data-storage segments physically located next to one another.

1. Closely resembling the genuine article
2. Not far distant in time or space or degree or circumstances; SYN. close.
3. Being on the left side; SYN. nigh.

Close at hand; near-by

1. Near in place, time, or relationship — often used with on, onto, or unto
2. Nearly; almost