Related Clues:
- Lusterless or uninteresting
- Overcast or uninteresting
- How dull to be so avid about a piano!
- Not in good taste to have one pad and six more
- Not too sharp to be boring
- 'A sharp? No, too stupid (4)'
- Thick mat
- Flat heads of valves and plugs in dynamos
- Flat race leader dropped out of very fast
- Obtuse - tedious - cloudy
- Slow-witted - tedious - cloudy
- Dull - uninteresting
- Dull and tasteless
- Dull and insipid
- Dull and boring