withered vs sere

withered and sere both are adjectives.

Word	Noun	Adjective	Verb	Adverb
withered	No	Yes	No	No
sere	No	Yes	No	No

As adjectives, withered and sere are synonyms defined as:

withered and sere: (used especially of vegetation) having lost all moisture

Other synonyms of withered include dried-up, sear, shriveled, shrivelled.

withered (adjective)	sere (adjective)
(used especially of vegetation) having lost all moisture	(used especially of vegetation) having lost all moisture
lean and wrinkled by shrinkage as from age or illness