southeastern vs eastern

southeastern and eastern both are adjectives.

Word	Noun	Adjective	Verb	Adverb
southeastern	No	Yes	No	No
eastern	No	Yes	No	No

southeastern (adjective)	eastern (adjective)
of a region of the United States generally including Alabama; Georgia; Florida; Tennessee; South Carolina; North Carolina	relating to or characteristic of regions of eastern parts of the world
situated in or oriented toward the southeast	of or characteristic of eastern regions of the United States
	lying toward or situated in the east
	from the east; used especially of winds
	lying in or toward the east