greasen adjective 1verb 1forms 5 adjective1 •(Northern-England, no longer used) Smeared with grease; greased verb1 •(rare) To make greased or greasyHis quick swim consisted of the usual small circle, ending on the same moss-greasened rocky ledge that he'd landed on since he was ten years old. — 1981 formsgreasened · greasening · greasens · more greasen · most greasen