Horrible i had a horrible day =bad/not good it was a horrific sight scary/disturbing etc her dress is just horrendous= bad/terrible. Synonym for horrifying horrific is the adjective for horror, horrible is a synonym for bad, and horrifying is the gerund for the verb form of horror, horrify. Horrific is used less often and is more serious.
Horrendous is taken to a level far beyond horrific, not because it sounds this way just by looking at it, but the tone as well on how it's used. Its not used as much的同义词 Synonym for horrific they mean the same thing and either can be used, but generally horrific sounds more like you are describing a situation whereas horrifying suggests a situation made.
It holds closer to the word. Its very similar to horrible. Would you like an example?|they have similar. The holocaust was a horrific tragedy.|horrible is used often and sometimes just means bad, crummy, unpleasant.