Related Clues:

• Not as bright
• Flatter
• Less interesting
• Not so sharp
• Less bright
• More gloomy
• More cheerless
• More dismal
• Less sharp
• Less upbeat
• More like dishwater?
• More dismal and gloomy
• More able to bore, being so comparatively blunt
• More dispiriting
• Raise that is accepted by doctor is not so interesting