i Register
In some senses, dreadful is marked as obsolete, informal. Watch for register when choosing this word.
VERBS
be, feel, look, smell, sound, taste
That cake smells dreadful, so I think we should throw it away.
ADV
really
My performance in the exam was really dreadful, and I'm embarrassed to show my parents.
absolutely, quite, truly
The weather last weekend was absolutely dreadful, so we stayed indoors and watched films.
pretty, rather
PREP
for
It was absolutely dreadful for the team when their best player got injured.