How to Use "frightful" with Example Sentences

1. We 're having frightful weather this week .
2. Steve is the most frightful bore .
3. That was a frightful january .
4. It was incurring a frightful risk to go to his assistance ; not one of the sailors , all fishermen of the coast , recently levied for the service , dared to attempt it .
5. War is a frightful calamity .