Dictionary

A small valley between mountains.

Example: He built himself a cabin in a hollow high up in the Rockies.

A sunken area or unfilled space in something solid; a cavity, natural or artificial.

Example: the hollow of the hand or of a tree

A sunken area.

A feeling of emptiness.

Example: a hollow in the pit of one's stomach

To make a hole in something; to excavate

(of something solid) Having an empty space or cavity inside.

Example: a hollow tree; a hollow sphere

(of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.

Example: He let out a hollow moan.

Without substance; having no real or significant worth; meaningless.

Example: a hollow victory

Insincere, devoid of validity; specious.

Example: a hollow promise

Completely, as part of the phrase beat hollow or beat all hollow.

Hey, hello

To call or urge by shouting; to hollo.