The most common and most likely answer to this crossword clue is the 10 letter word STEPSISTER
I've seen this crossword clue in The Daily Telegraph
S
T
E
P
S
I
S
T
E
R
More clues leading to the result STEPSISTER
- Measures I back shortly for one who hated Cinderella
- Naughty priestess capturing the heart of brother’s relative
- Family member tries changing by incremental amounts
- Relative pace beginning to slow, tries shifting
- Nameless cryptic setter’s spin is relative
- Priest sets out to find relative
- Pet resists bouncing around relative
- Rider lives in High Street as part of extended family
- Family member awkwardly tries to follow dance moves
Buddy explains!
The straight part
We know that "Family member" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case family member = stepsister.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 STEPSISTER mean?
STEPSISTER noun- The daughter of one's stepparent who is not the daughter of either of one's parents.
- The stepdaughter of one's parent which is not one's half-sister.