- not safe to eat
- Is it poisonous?
- Is this spider poisonous?
- Are they poisonous?
- Are wasps poisonous?
- That snake is poisonous.
- Some snakes are poisonous.
- Don't breath! It's poisonous gas.
- These substances are not poisonous in themselves.
- Hold your breath! It's poisonous gas.
- I have not eaten any poisonous mushrooms!
- Not all species of spiders are poisonous.
- This substance is not poisonous in itself.
- Many oval-leaved plants are poisonous.
- We should keep away from the poisonous plants.
- Tom isn't afraid of snakes, even poisonous ones.