muckrake noun 1verb 1forms 3 noun1 •A rake for scraping up dung. verb1 •To search for and expose corruption or scandal, especially as a form of investigative journalism.His book, published this month, combines the muckraking approach of Eric Schlosser’s “Fast Food Nation” with the wry travelogue approach of a Michael Moore movie. — 2020 formsmuckraked · muckraking · muckrakes