The most common and most likely answer to this crossword clue is the 7 letter word OGREISH
I've seen this crossword clue in The Guardian
O
G
R
E
I
S
H
More clues leading to the result OGREISH
- Monstrous drunken orgies at hotel
- Fearful and upset, I therefore shut up
- Unlimited foresight, terribly monstrous
- Turn back on one’s husband being ghastly
- Ugly one’s so flipping quiet
- Like a monster with his gore spilt
- In this sense, I therefore reflected, it’s beastly
- Monstrous giant’s head bagged by hero is hideous
- Perversely bad orgies arranged at hotel
- Old girl, condiment left out is repulsive
Buddy explains!

The straight part
We know that "Fearful" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fearful = ogreish.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.