a hollow person.
a hollow tree.
a hollow victory.
a hollow wall.
empty promises.
he built himself a cabin in a hollow high up in the Appalachians.
his face became gaunter and more hollow with each year.
hollow cheeks.
hollow out a tree trunk.
hunger had caused the hollows in their cheeks.
the hollow sound of footsteps in the empty ballroom.
the mining company wants to excavate the hillside.
vacuous comments.