overturned vs upturned

overturned and upturned both are adjectives.

Word	Noun	Adjective	Verb	Adverb
overturned	No	Yes	No	No
upturned	No	Yes	No	No

As adjectives, overturned and upturned are synonyms defined as:

overturned and upturned: having been turned so that the bottom is no longer the bottom

Other synonyms of overturned include upset.

overturned (adjective)	upturned (adjective)
having been turned so that the bottom is no longer the bottom	(used of noses) turned up at the end
	having been turned so that the bottom is no longer the bottom