To shine means to give off bright light or to glow. The sun shines during the day, stars shine at night, and a flashlight shines when you switch it on. A freshly polished car shines in the sunlight, reflecting light off its clean surface.

You can also shine something by polishing or cleaning it until it gleams. When you shine your shoes, you buff them until they look smooth and glossy. Knights in medieval times would spend hours shining their armor before tournaments.

The word takes on a more figurative meaning when describing people who perform exceptionally well. A student might shine in science class by consistently solving difficult problems or asking insightful questions. An athlete shines on the field when they play their very best. When someone gets a chance to shine, they have an opportunity to show what they can really do.

Shine can also describe something that stands out as particularly good or impressive. After weeks of practice, your piano recital might be the moment when your hard work really shines through. When we say someone's personality shines, we mean their positive qualities are clearly visible to others, like light breaking through clouds.

As a noun, shine can mean brightness or polish, like the shine on a new pair of shoes.