Having a bright, glossy, or reflective surface. The shiny car caught everyone's attention as it drove down the street.
Appearing new or polished, often implying attractiveness or appeal. She wore a shiny new dress to the party, which made her stand out in the crowd.
Radiating or reflecting light; luminous. The shiny stars lit up the night sky, creating a beautiful view.
Informal, often ironic: superficially attractive or novel but lacking depth or substance, especially of ideas, initiatives, or gadgets. The committee was distracted by a shiny new proposal that ultimately solved none of their problems.