Related Clues:

• In need of sharpening
• To the point; without point
• Dull; outspoken
• Not a very interesting Constable?
• Frank but not cutting
• Forthright in manner
• Lacking excitement
• Matt
• Lacking edge; forthright
• Matt; overcast
• Outspoken but not sharp
• Coming to the point? It's pointless
• Pointless spy
• Dull Soviet spy
• Obtuse; forthright