hollower
adjective
Definitions
(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
noun
Definitions
One who or that which hollows something.