marbles

/ ˈmɑːbəlz /

noun

1. (functioning as singular) a game in which marbles are rolled at one another, similar to bowls

2. informal,  (functioning as plural) wits

   to lose one's marbles

Related Words

• attention 
• brain 
• consciousness 
• genius 
• head 
• imagination 
• instinct 
• intellect 
• judgment 
• mentality 
• perception 
• psyche 
• sense 
• soul 
• spirit 
• talent 
• thought 
• wisdom