Related Clues:
- Dull, color-wise
- Hardly 37-Across
- Cheerless poet in retrospect
- Short on spirit
- Lacking brightness, poet is sent up
- Hardly flashy
- Grey flatfish crossing river
- Flipping Shakespeare's monotonous
- Popular sauce is sent back, being dry
- In need of some sprucing up
- Tasteless cool drink a princess once sent back
- Cool drink the setter had without flavour
- Sans sparkle
- Tar on road turned grey
- Tasteless sauce mostly isn’t one for picking up