Definition: a depression hollowed out of solid matter
Similar words: natural depression, depression
Definition: a sunken or depressed geological formation
Definition: a small valley between mountains
Usage: he built himself a cabin in a hollow high up in the Appalachians
Definition: a long depression in the surface of the land that usually contains a river
Synonyms: hollow
Definition: a cavity or space in something
Usage: hunger had caused the hollows in their cheeks
Similar words: enclosed space, cavity
Definition: space that is surrounded by something
Synonyms: core out, hollow, hollow out
Definition: remove the interior of
Usage: hollow out a tree trunk
Similar words: empty
Definition: make void or empty of contents
Usage: Empty the box; The alarm emptied the building
Synonyms: dig, excavate, hollow
Definition: remove the inner part or the core of
Usage: the mining company wants to excavate the hillside
Similar words: remove, withdraw, take, take away
Definition: remove something concrete, as by lifting, pushing, or taking off, or remove something abstract
Usage: remove a threat; remove a wrapper; Remove the dirty dishes from the table; take the gun from your pocket; This machine withdraws heat from the environment
Synonyms: hollow, empty, vacuous
Definition: devoid of significance or point
Usage: empty promises; a hollow victory; vacuous comments
Similar words: nonmeaningful, meaningless
Definition: having no meaning or direction or purpose
Usage: a meaningless endeavor; a meaningless life; a verbose but meaningless explanation
Synonyms: hollow
Definition: as if echoing in a hollow space
Usage: the hollow sound of footsteps in the empty ballroom
Similar words: reverberant
Definition: having a tendency to reverberate or be repeatedly reflected
Usage: a reverberant room; the reverberant booms of cannon
Synonyms: hollow
Definition: not solid; having a space or gap or cavity
Usage: a hollow wall; a hollow tree; hollow cheeks; his face became gaunter and more hollow with each year
Similar words: cavernous
Definition: being or suggesting a cavern
Usage: vast cavernous chambers hollowed out of limestone
Similar words: sunken, recessed, deep-set
Definition: having a sunken area
Usage: hunger gave their faces a sunken look
Similar words: fistular, fistulate, fistulous
Definition: hollow and tube-shaped like a reed
Similar words: vasiform, tube-shaped, tubelike, tubular, cannular
Definition: constituting a tube; having hollow tubes (as for the passage of fluids)