The term 'Tinny-Sounding' can be described as a sound that is high-pitched and METALLIC. This term can be broken down into two crossword solutions: 'METALLIC' (8 letters). METALLIC refers to something that is made of metal or has the properties of metal, such as being hard, shiny, and conductive. Tinny-sounding is often used to describe a sound that is sharp and thin, like a bell ringing. It is also used to describe a voice that is high-pitched and shrill.