The most common and most likely answer to this crossword clue is the 8 letter word DISTINCT
I've seen this crossword clue in The Guardian
D
I
S
T
I
N
C
T
More clues leading to the result DISTINCT
- Given rise, I had task round college, well-defined
- Pronounced dead – one’s court carrying can
- Clear day is beginning to change in hue
- Sharp detectives returned fool to court
- Clear inspector with period of work touring college
- Clear Navy’s invading region ignoring Queen
- Different ending for ‘Red is the Colour’
- Separate — that’s abundantly clear
- Plain individual
- Clear container maintained by record temperature
Buddy explains!

The straight part
We know that "Separate/abundantly clear" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case separate/abundantly clear = distinct.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 DISTINCT mean?
DISTINCT adjective- Capable of being perceived very clearly.
- Different from one another (with the preferable adposition being "from").
- Noticeably different from others; distinctive.
- Separate in place; not conjunct or united; with from.
- Distinguished; having the difference marked; separated by a visible sign; marked out; specified.
- Marked; variegated.