vacant

Vacant is a related term of dull.

As adjectives the difference between vacant and dull

is that vacant is not occupied; empty while dull is lacking the ability to cut easily; not sharp.

As a verb dull is

to render dull; to remove or blunt an edge or something that was sharp.

Vacant is a related term of inexpressive.

As adjectives the difference between vacant and inexpressive

is that vacant is not occupied; empty while inexpressive is lacking expression or emotion.

As an adjective vacant

is not occupied; empty.

As a noun absence is

a state of being away or withdrawn from a place or from companionship; the period of being away .

As an adjective vacant

is not occupied; empty.

As a noun availability is

the quality of being available.

As a verb evacuate

is to leave or withdraw from; to quit; to retire from; as, soldiers from a country, city, or fortress.

As an adjective vacant is

not occupied; empty.

As adjectives the difference between unconscious and vacant

is that unconscious is not awake; having no awareness while vacant is not occupied; empty.

As a noun unconscious

is (psychology) the unconscious mind.

As adjectives the difference between preoccupied and vacant

is that preoccupied is concerned with something else; distracted; giving one's attention elsewhere while vacant is not occupied; empty.

As a verb preoccupied

is (preoccupy).

As adjectives the difference between heedless and vacant

is that heedless is unaware, without noticing while vacant is not occupied; empty.

As adjectives the difference between vacant and dreamy

is that vacant is not occupied; empty while dreamy is as in a dream; resembling a dream.

As adjectives the difference between distracted and vacant

is that distracted is having one's attention diverted; preoccupied while vacant is not occupied; empty.

As a verb distracted

is (distract).