The most common and most likely answer to this crossword clue is the 6 letter word ETHICS
I've seen this crossword clue in Independent
E
T
H
I
C
S
More clues leading to the result ETHICS
- Moral code set out for gathering here in Rome
- Moral code staggering the Irish civil servant at first
- Raise second quote about hard philosophical investigations
- Itches to get involved in morality study
- Moral principles of the CSI cast
- Singular quote coming up about hard morality
- Start to educate Catholic in the present moral code
- Itches to restore a code of morals
- Moral code worked out in the centre of Chichester
- Moral values in middle of fifteenth century recorded in this
Buddy explains!
The straight part
We know that "philosophical investigations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case philosophical investigations = ethics.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 ETHICS mean?
ETHICS noun- The study of principles relating to right and wrong conduct.
- Morality.
- The standards that govern the conduct of a person, especially a member of a profession.