vacant

vacant /ˈveɪkənt/ adjective
vacant
/ˈveɪkənt/
adjective
Britannica Dictionary definition of VACANT
1 
: not filled, used, or lived in
2 
formal, of a job or position : not occupied by a person : available to be taken by someone
3 
: showing no indication of what someone is thinking, feeling, etc.

— vacantly

adverb