Definition: hollow out as if making a cave or opening
Usage: The river was caving the banks
Similar words: core out, hollow, hollow out
Definition: remove the interior of
Usage: hollow out a tree trunk
Synonyms: sabotage, counteract, countermine, weaken, undermine, subvert
Definition: destroy property or hinder normal operations
Usage: The Resistance sabotaged railroad operations during the war
Similar words: disobey
Definition: refuse to go along with; refuse to follow; be disobedient
Usage: He disobeyed his supervisor and was fired