Related Clues:
- Rigorous, severe
- Not lenient or indulgent
- Requiring exact obedience or compliance with rules
- Stern and severe looking
- Rigid or stern
- Allowing no deviation from a standard
- Requiring complete obedience
- Sullen, sour
- 'Sullen, sour (4)'
- Morose, sour
- Allowing no laxity
- For this 15 across would always be so harsh in the southeast
- Can this, being so forbidding, be so frank?
- Never lacks the sound of anything so rigorous
- Not lacks the sound of this