Related Clues:

• Integrity shown in bed, perhaps
• Preserve grim sincerity
• Plant's breeding-ground in Scottish island
• Openness is able to satisfy old city
• What liars lack
• Plain speaking
• Guilelessness and love seen in a dog
• Conservative dashing around — not something MPs are noted for
• Render sharp pen, being straight
• Frankness, honesty
• Prison's grim - that's telling it like it is
• Lack of inhibition in a French book
• Prison forbidding openness
• Cancel booking, in complete candour
• Make pen sharper to achieve candour