noun
- small glass or stone balls used as toys in various games
- one’s mental faculties or sanity
Usage: plural form
Usage: informal; usually in phrases like ‘lose one’s marbles’
Examples
- The children played marbles in the schoolyard during recess.
- She collected colorful marbles in a glass jar.
- He shot his marble toward the circle drawn in the dirt.
- The antique marbles were made of clay rather than glass.
- I think he’s lost his marbles if he believes that story.
- Don’t lose your marbles over such a small problem.