adjacent vs connected

adjacent and connected both are adjectives.

Word	Noun	Adjective	Verb	Adverb
adjacent	No	Yes	No	No
connected	No	Yes	No	No

adjacent (adjective)	connected (adjective)
nearest in space or position; immediately adjoining without intervening space	joined or linked together
having a common boundary or edge; abutting; touching	plugged in
near or close to but not necessarily touching	being joined in close association
	wired together to an alarm system
	stored in, controlled by, or in direct communication with a central computer