The most common and most likely answer to this crossword clue is the 4 plus 2 letter word SORT OF
I've seen this crossword clue in The Guardian
S
O
R
T
O
F
More clues leading to the result SORT OF
- Annoyed nobleman tails off in a vague way
- After a fashion show’s over, Russian tries on Finn’s tops
- Not exactly like that, rise to one’s feet at every entrance
- To some extent soft or ill-formed
- Rather soft bananas with yellow filling
- Rather angry posh bloke suffering from cuts
- Slightly soft or squidgy
- Pretty face to strike gold, marrying shy aristocrat
- Somewhat like mangled torso next to start of funicular
- Lessor to fund housing to some extent
Buddy explains!

The straight part
We know that "To some extent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to some extent = sort of.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.