Possible Clues:

• Insecure
• Parking for speedy motorist reversing and losing the head with religious type is uncertain
• Uncertain about having a run in such splendid surroundings
• Uncertain
• Highly insecure
• Uncertain; likely to fall
• When drunk, a croupier's having difficulty remaining upright
• Dodgy poseur with car, I fancy
• Not yet decayed? It's uncertain
• Hairy goody-goody guarding military transport