The most common and most likely answer to this crossword clue is the 8 letter word OUTDATED
O
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A
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More clues leading to the result OUTDATED
- Even lusty boyfriend wears extremely odd old hat
- Had more girl-friends than was fashionable
- Away from home, time to wear dead crumpled old hat
- Old hat had more court appearances?
- Informal square won the wooing competition?
- Abroad, father’s carrying note no longer current
- External appointment note is obsolete
- Not at home: taken on a social engagement. That's passé
Buddy explains!

The straight part
We know that "passé" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case passé = outdated.The cryptic/wordplay part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What does OUTDATED mean?
OUTDATED adjective- Out of date, old-fashioned, antiquated.
- Out of date; not the latest; obsolete.