i Register
In some senses, frightful is marked as obsolete. Watch for register when choosing this word.
adj
Full of fright, whether
Ðis frigtful ðus a-biden,
Full of fright, whether
See how the frightful herds run from the wood.
Full of something causing fright, whether
Full of something causing fright, whether
Francis Urquhart: What a frightful little man. Where do they find them these days? Tim Stamper: God knows. If I had a dog like that, I'd shoot it. Francis Urquhart: Well, yes. Quite.
adv
Frightfully; very.
You had a lot of frightful good quotes. You must know half the books that there are.
It's a frightful long time, and I don't get many letters from him.