Related Clues:

• Taciturn one
• Shifty sort
• Choice for third and short
• Dastard
• Happiness standard?
• Act furtively
• Casino delicacy?
• Happy as a ___
• Chowder ingredient, often
• Avoid detection
• Epitome of happiness
• Stop talking, with 'up'
• Seeker's target in a kid's game
• Symbol of uncommunicativeness
• Move like a ninja