shapechange noun 1verb 1forms 3 noun1 •An instance of shapechanging.I watched Michael's face and asked, "Why was he there then? I'd have put down money that it was a demon, but it was just a shapechange. There was a mortal inside it. Who was he?" — 2003 verb1 •To shapeshift.He clapped the big man on the shoulder and quickly left. In the shadows of the bridge he shapechanged and headed for Greenvale. — 2004 formsshapechanged · shapechanging · shapechanges