Related Clues:
- Is the primate all at sea yes?
- Yes, that would sound less than human on board
- It's yes for the primate, and for 7 down
- Yes, it's on board that you'll find the primate
- 1 across
- On board one is agreeable to have something subhuman
- How the primate is willing to be on board
- Yes, it's on board for one to monkey with
- When on board, the primate has to obey like this
- On board it is agreeable to have a primate
- The primate is agreeable on board
- Sailor's agreement
- See 21
- It lives in Madagascar with the agreement of sailors
- Language of love?