Possible Clues:

• Misfortune braved, admits leader of Nouvelle Vague
• Dim criminal fell in and died
• Shadowy sick journalist comes back in good health at start of day
• Vague, like a Times two clue: "Sick; only with difficulty"?
• Sick lower socioeconomic groups given financial penalty that's not made clear
• Punished after sick notes found too vague?
• Sick of French and given penalty for being vague
• Rough diagnosis established?
• Vague, hazy
• Vague word should not be in dictionary