Related Clues:

• Gap filler
• More equally balanced
• Flatter, with insincere face, European becoming leader
• Roll in the hay?
• Wooden wedge
• Less irregular
• Carpenter's wedge
• Fix for a wobbly table, perhaps
• Slender wedge for filling a space
• Mason's gap filler
• Carpenter's plane, e.g
• Not as lumpy
• Carpenter's space filler
• Flatter male TV personage in the bar, last of all
• Door stop, essentially