Nouns

(n)emptya container that has been emptied“return all empties to the store”

Verbs

(v)emptymake void or empty of contents“Empty the box”, “The alarm emptied the building”
(v)empty, dischargebecome empty or void of its content“The room emptied”
(v)vacate, empty, abandonleave behind empty; move out of“You must vacate your office by tonight”
(v)emptyremove the contents of a container“Empty the water”
(v)evacuate, void, emptyexcrete or discharge from the body

Adjectives

(a)emptyholding or containing nothing“an empty glass”, “an empty room”, “full of empty seats”, “empty hours”
(s)empty, hollow, vacuousdevoid of significance or force“empty promises”, “a hollow victory”, “vacuous comments”
(s)empty, empty-belliedneeding nourishment“after skipped lunch the men were empty by suppertime”, “empty-bellied children”
(s)emptyemptied of emotion“after the violent argument he felt empty”