Related Clues:
- Keeping a stiff upper lip
- Unlikely to crack a smile, say
- Slightly frozen over
- Job, perhaps one dividing half of sheep up
- A lot of criticism about old philosopher
- Old beset by criticism, mostly long-suffering
- With a frosty covering
- Adherent of Zeno
- Tough to titillate
- Uncomplaining philosopher
- Dispassionate type
- Unfriendly Conservative, advanced in years
- Not making any baskets, say
- Like sidewalks after freezing rain
- Hot, with sources of some peppers removed, implies cold