dragnet /ˈdɹæɡˌnɛt/noun 2verb 2forms 3 noun2 •A net dragged across the bottom of a body of water. •(figurative) A heightened effort by law enforcement personnel undertaken in order to capture suspects. verb2 •To drag a net across the bottom of a body of water.When ponds are cleaned out periodically, fish are trapped or dragnetted and finally the pond is drained to remove all fish. — 2013 •(figurative) To undertake a heightened effort to catch a suspect.A May Day anti-capitalist protest last year in Seattle saw clashes between police and protesters, and the FBI had been dragnetting potential anarchists. — 2013 formsdragnetted · dragnetting · dragnets