Inattentive vs Vacant - What's the difference?

As adjectives the difference between inattentive and vacant

is that inattentive is of or pertaining to lack of attention; not paying attention; careless while vacant is not occupied; empty.

(en adjective)

Of or pertaining to lack of attention; not paying attention; careless.

He was inattentive in class and did not do well in his exams.

* inattentively * inattentiveness

(-)

Not occupied; empty.

vacant lot

Showing no intelligence or interest.

''a vacant stare

* (Not occupied) available, empty, free, uninhabited, unoccupied * (Showing no intelligence or interest) vacuous, thousand mile stare

* vacancy noun * vacantly adverb