A purgative agent completely cleans something out.
To expurgate part of a book, play, or other text is to remove parts of it before publishing because they are considered objectionable, harmful, or offensive.
To purge something is to get rid of or remove it.
the deletion of objectionable parts from a literary work
worthless or dangerous material that should be removed
free of extraneous elements of any kind
a temporary condition of torment or suffering
of or relating to Puritans or Puritanism
being undiluted or unmixed with extraneous material
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