severe, terrible, wicked - intensely or extremely bad or unpleasant in degree or quality
Example:- severe pain
awful, frightful, terrible, tremendous - extreme in degree or extent or amount or impact
Example:- in a frightful hurry
abominable, atrocious, awful, dreadful, painful, terrible, unspeakable - exceptionally bad or displeasing
Example:- atrocious taste
awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible - causing fear or dread or terror
Example:- the awful war