1.According to students, classes were often `downright boring'

2.This was not just embarrassing, it was downright dangerous.

3.Her son reacted even more strongly -- he was downright rude.

4.Brian was shocked: this wasn't just a mistake, but downright lying.

5.He downright refused to help me.

にべもなく, まっかな, 露骨な, まったく, 完全に, 本当に