The most common and most likely answer to this crossword clue is the 5 plus 4 letter word GRAND TOUR
I've seen this crossword clue in The Guardian
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More clues leading to the result GRAND TOUR
- Excellent time to go on our extended sightseeing trip
- Golf organised, diversion avoiding key educational trip
- Relative sullen about Brexit finally extended 25 journey
- Time in Europe no longer? Old lady sullen about end to Brexit
- Through bursary, departs on our long trip
- Reverend’s ultimate parting gift, setters’ youthful education of old
- Older relative before day devised most of route for educational trip
Buddy explains!
The straight part
We know that "educational trip" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case educational trip = grand tour.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.