Related Clues:

• Is inane to be foolish
• Silly like a donkey
• Mindless, vacuous
• Foolish as a donkey
• Foolish like donkey
• 'Mindless, vacuous (7)'
• Like 19, like the start of 29across
• There's no sense in being like 1 + 9
• Because I get 9 of it, it's 32 across
• Like 19, in a silly sort of way
• As foolish as 19, perhaps
• Like 19? That's a silly one!
• Like 19?
• @There's no sense in getting like 19
• There's no sense in making this as 19, perhaps (7)