landfill /ˈlæn(d).fɪl/noun 2verb 1forms 3 noun2 •A site at which refuse is buried under layers of earth.A heart that's full up like a landfill / A job that slowly kills you — 1997 •Such material that is disposed. verb1 •To dispose of (garbage) by burying it at a landfill site. formslandfilled · landfilling · landfills