Graded and ungraded adjectives
The 'awful' and 'superb' group
These adjectives indicate that someone or something is judged to be good or bad. Adjectives such as perfect, superb, and tremendous, which indicate that something is extremely good, are not graded with adverbs such as fairly or very, but they are graded with adverbs such as really or as. Adjectives such as awful and terrible, which indicate that something is extremely bad, are not graded with adverbs such as very, though they are graded with adverbs such as fairly.
acceptable appropriate awful bad correct effective fine good grand great lovely nice outstanding perfect pleasant right sound suitable superb terrible tremendous true useful valuable wonderful wrong
His behaviour could be fairly awful.
Watershed moments in history are not particularly pleasant to live through.
The quality of the Russian State Orchestra is as superb as ever.
There's something terribly wrong, we've got no doubts about that.