Related Clues:

• Open, in a way
• Not perfectly round
• Elliptical
• Overdue
• Like pear tree leaves
• Roundish
• Volunteer
• Like Humpty Dumpty
• Like acacia leaves
• Like many amphitheaters
• Outstanding
• Shaped like Humpty
• In the form of a race track
• Like lilac leaves
• Like sycamore leaves