"Hollowing out" refers to the process of removing the important or valuable parts of something, leaving it empty or worthless. Synonyms for this term include "pulverization," "eradication," "extirpation," "elimination," and "cessation." These words imply a thorough and complete removal of all important elements, leaving nothing behind. Other related terms could include "depletion," "exhaustion," or "destruction." These synonyms are often used in discussions about the negative impact of industrialization on ecosystems or the loss of jobs due to outsourcing. Regardless of the specific context, each of these synonyms describes a process that leads to a significant and often irreversible change.