Related Clues:

• Quick-moving
• ''. . . the ___ completion of their appointed rounds''
• Like a cheetah
• Like Cirque du Soleil stars
• Unlike klutzes
• Dextrous
• Not showing one's age, in a way
• Very flexible
• Youthful
• Adjective for a gymnast
• Far from klutzy
• Surprisingly limber
• British journalist's street
• Quick and nimble
• Like Cirque du Soleil performers