washed-out vs dog-tired

washed-out and dog-tired both are adjectives.

Word	Noun	Adjective	Verb	Adverb
washed-out	No	Yes	No	No
dog-tired	No	Yes	No	No

As adjectives, washed-out and dog-tired are synonyms defined as:

washed-out and dog-tired: drained of energy or effectiveness; extremely tired; completely exhausted

Other synonyms of washed-out include exhausted, fagged, fatigued, gone, played out, spent, worn-out, worn out.

washed-out (adjective)	dog-tired (adjective)
having lost freshness or brilliance of color	drained of energy or effectiveness; extremely tired; completely exhausted
drained of energy or effectiveness; extremely tired; completely exhausted