The most common and most likely answer to this crossword clue is the 7 letter word IGNORED
I've seen this crossword clue in The Guardian
I
G
N
O
R
E
D
More clues leading to the result IGNORED
- I blush after accepting name is disregarded
- Overlooked doing RE revision
- Disregarded amendment for redoing
- Overlooked bidder on giving piece back
- Passed by ruin on ridge
- New setter looks embarrassed about being passed over
- Redoing treatment for cut
- 7 fellow, losing head, little chap to be pushed aside
- Shunned soldier turning up? No, Communist
- Revolutionary soldier given no wine shunned
Buddy explains!

The straight part
We know that "passed over" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case passed over = ignored.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 IGNORED mean?
IGNORED verb- To deliberately not listen or pay attention to.
- To pretend to not notice someone or something.
- Fail to notice.
- Not to know.