Related Clues:
- Showing dogged determination
- Never giving up Bob's turn at sea
- Butt originating with the head of a pig?
- Stubborn stain to be treated
- Mulish objections raised and natural to follow
- With reorganisation of station, be firm
- Mule is turning into beast
- Stubborn stain to be removed
- Refractory
- Won't listen to anyone that Robert is twisted and in a daze
- Unyielding, as the remaining part delivered
- Tough to budge
- Stubborn, obdurate
- Obstinate, mulish
- Part of the ticket delivered by difficult person