Related Clues:

• Stood still
• Got stage fright
• Stopped in one's tracks
• Passed from liquid to solid state
• Preserved, in a way
• Locked up
• Turned to ice
• Stopped dead
• Solidified
• Stopped moving
• Didn't move
• Immobilized
• Solidified in the cold
• Stood absolutely still
• Didn't move a muscle