The most common and most likely answer to this crossword clue is the 8 letter word STEALTHY
S
T
E
A
L
T
H
Y
More clues leading to the result STEALTHY
- What Bible says thou shalt not do with thy secret
- Coy about drink with Lieutenant, cunning
- Surreptitious way able-bodied husband’s abandoned
- Nick, with your old-fashioned support, is unobtrusive
- Copy what used to be your secret
- Sneaky way to get fit topless
- Furtive little paddler with time to board launch
- Being furtive, make off with your old …
- Nervous about meal, lieutenant being secretive
- Secret society’s opening, they carelessly having hidden key
Buddy explains!

The straight part
We know that "secretive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case secretive = stealthy.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 STEALTHY mean?
STEALTHY adjective- Characterized by or resembling stealth or secrecy.