Related Clues:

• Unlikely to cut
• Far from vivid
• Mind-numbing
• Not interesting
• Hard to cut with
• Like some finishes
• In need of sharpening
• Lacking flavour
• Insipid, dull
• Insipid, empty
• Not a very interesting Constable?
• Boring, flat
• Very awkward: pension industry decides upfront it's offering no interest
• Offering no stimulation
• Lacking excitement