The most common and most likely answer to this crossword clue is the 3 plus 2 plus 4 plus 5 letter word OUT OF THIS WORLD
I've seen this crossword clue in The Daily Telegraph
O
U
T
O
F
T
H
I
S
W
O
R
L
D
More clues leading to the result OUT OF THIS WORLD
- Wizard coming from where we do?
- Whither the ambitious flying ace?
- Wonderful without folds or flounces
- Where spaceships are heading is wonderful
- Phenomenal in deep space, perhaps?
- Striking astronauts fired here
- Great that’s left the Globe?
- Stars are so excellent
- Coming from where we do is wonderful?
- Marvellous wood hut florist designed
Buddy explains!
The straight part
We know that "Great" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case great = out of this world.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.