The most common and most likely answer to this crossword clue is the 6 letter word PERUSE
I've seen this crossword clue in Independent
P
E
R
U
S
E
More clues leading to the result PERUSE
- Carefully study country’s energy
- Casually read a service
- Carefully check a resort, as was
- Study country, southeastern
- Look at country's source of energy
- Inspect each benefit
- What examiners do in university encapsulated by ‘dark blue’
- Certain to return during gym study
- Study for a purpose
- Examine foreign country, then one relatively prosperous region of ours
Buddy explains!

The straight part
We know that "study" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case study = peruse.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 PERUSE mean?
PERUSE noun- An examination or perusal; an instance of perusing.
- To examine or consider with care.
- To read completely.
- To look over casually; to skim.
- To go from place to place; to wander.