The most common and most likely answer to this crossword clue is the 11 letter word TRANSPARENT
I've seen this crossword clue in The Guardian
T
R
A
N
S
P
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T
More clues leading to the result TRANSPARENT
- Organised fight in temporary accommodation, that’s clear
- Clear running water outside flowed by spring
- One leaving school unwanted books, easy to read?
- Managed health club with river outside, clear
- May be mum and dad once showing 10
- Frank rants about relative
- Frank, a father who feels he’s a woman?
- Clear partner tans unconventionally
- Cross-dressing relative easily identified
- Obvious replacement for Ant’s partner
Buddy explains!

The straight part
We know that "Cross-dressing relative/easily identified" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cross-dressing relative/easily identified = transparent.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 TRANSPARENT mean?
TRANSPARENT adjective- (of a material or object) See-through, clear; having the property that light passes through it almost undisturbed, such that one can see through it clearly.
- (of a system or organization) Open, public; having the property that theories and practices are publicly visible, thereby reducing the chance of corruption.
- Obvious; readily apparent; easy to see or understand.
- Having the property of transparency, i.e. sufficiently accurate that the compressed result is perceptually indistinguishable from the uncompressed input.
- Not noticeable because it happens automatically or in the background; invisible.