The most common and most likely answer to this crossword clue is the 6 letter word OGRESS
O
G
R
E
S
S
More clues leading to the result OGRESS
- Terror as dresser goes tipping over, bits smashing off
- This monster Hun could show roughness
- Monstrous female knocked back game on ship
- Feature of progressive female seen as fearsome
- . Giant old ship’s carrying last of returning soldiers
- Maneater makes advance prince rejected?
- Monster, old, to retreat after disposing of soldiers
- Monster development having price slashed
- Formidable female, not entirely progressive
- Advance spin off monster
Buddy explains!

The straight part
We know that "Fairy tale monster" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fairy tale monster = ogress.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.
What does OGRESS mean?
OGRESS noun- A female ogre
- A fierce, unfriendly woman.
- A roundel sable.