The most common and most likely answer to this crossword clue is the 4 plus 4 letter word COLD FISH
I've seen this crossword clue in The Daily Telegraph
C
O
L
D
F
I
S
H
More clues leading to the result COLD FISH
- Person showing no emotion, caught getting on after nicking francs
- Unemotional person clings, with space needed
- He’s reserved large seafood sandwiches
- One living in bowl getting new start? He shows little emotion
- One aloof army officer meets beauty, female to be hugged
- Unemotional type, that’s often won at fete, caught for good
- Pass plate around fellow, unemotional type
Buddy explains!
The straight part
We know that "One aloof" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one aloof = cold fish.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.