exaggerated vs overdone

exaggerated and overdone both are adjectives.

Word	Noun	Adjective	Verb	Adverb
exaggerated	No	Yes	No	No
overdone	No	Yes	No	No

As adjectives, exaggerated and overdone are synonyms defined as:

exaggerated and overdone: represented as greater than is true or reasonable

Other synonyms of exaggerated include overstated.

exaggerated (adjective)	overdone (adjective)
represented as greater than is true or reasonable	cooked too long but still edible
enlarged to an abnormal degree	represented as greater than is true or reasonable