1. Most of his theories are arrant nonsense.
2. All three of us cooed like arrant fools.
3. He's talking arrant nonsense.
4. Don't trust him, he an arrant hypocrite.
5. He is an arrant fool.
6. Don't trust him ; he is an arrant hypocrite.
7. We are arrant knaves all ; believe none of us.
8. What an arrant hypocrite!
9. The most arrant nonsense about a product is never questioned.