The most common and most likely answer to this crossword clue is the 5 letter word PASSE
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More clues leading to the result PASSE
- Old-fashioned fool interrupts gym class
- Out-of-date permit unacceptable ultimately
- Permit English to be out of date
- Old hat, on vacation, worn by buffoon
- Wally goes through gym on the way out
- Old man’s regularly seen in old hat
- Old-fashioned clown in gym
- Disappear with earl’s old hat
- Sort of horse in gym no longer used
- Success! Couple finally dated
Buddy explains!

The straight part
We know that "Old-fashioned" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case old-fashioned = passe.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 PASSE mean?
PASSE verb- To change place.
- To change in state or status
- To move through time.
- To be accepted.
- In any game, to decline to play in one's turn.
- To do or be better.
- To take heed.
- Dated; out of style; old-fashioned.
- Past one's prime; worn; faded.