obsessed vs preoccupied

obsessed and preoccupied both are adjectives.

Word	Noun	Adjective	Verb	Adverb
obsessed	No	Yes	No	No
preoccupied	No	Yes	No	No

As adjectives, obsessed and preoccupied are synonyms defined as:

obsessed and preoccupied: having or showing excessive or compulsive concern with something

Other synonyms of obsessed include haunted, taken up.

obsessed (adjective)	preoccupied (adjective)
having or showing excessive or compulsive concern with something	having or showing excessive or compulsive concern with something
influenced or controlled by a powerful force such as a strong emotion	deeply absorbed in thought