Collocations for dreadful - adj.

be, feel, look, smell, sound, taste
Poor thing! You look absolutely dreadful! (= very ill)

really
I feel really dreadful about letting you down.

absolutely, quite (BrE), truly
a truly dreadful hat

pretty, rather
just, simply

for
It must have been dreadful for you!

Dreadful is used with these nouns:
accident, bore, condition, cost, crime, mistake, ordeal, shock, state, thing, time, truth, weather