adjective tinnier-·nier, tinniest-·ni·est. of, containing, or yielding tin; like tin in appearance or strength; bright but cheap; not well-made tinny jewelry
tin·ny (t n) adj. tin·ni·er, tin·ni·est. 1. Of, containing, or yielding tin. 2. Tasting or smelling of tin: tinny canned food. 3. Having a thin metallic sound: a high tinny ...