mirrorful adjective 2noun 1forms 4 adjective2 •Covered in mirrors.In the mirrorful elevator a few women looked at him with dread lest his soppiness should smirch their fabrics. — 1921 •mirror-like; reflective.I’ve cowarded into a quiet shape / Passing alone into an empty mirror / Refusing to see myself, using my cape / To cover all mirrorful eyes like a deathsheet drape. — 2010 noun1 •The amount reflected by a mirror. formsmirrorfuls · mirrorsful · more mirrorful · most mirrorful