Related Clues:
- Serious; muted in colour
- Sincere, very serious
- Receive electric shock treatment? That's serious
- Sedate, unadventurous
- Important fellow in play secures a pledge
- Given a hearing, remained sober
- Collecting award, sister's not excited?
- Cloths to absorb moisture: better keep the ends dry
- Very serious promise
- Deeply sincere
- Sedate sister accepts an honour
- Thus 'e's out of drink — becoming this?
- Serious-minded English composer's introduction to Tippett
- Each service in French is solemn
- Over time, pronounced sober