The most common and most likely answer to this crossword clue is the 6 letter word ZEROED
I've seen this crossword clue in The Guardian
Z
E
R
O
E
D
More clues leading to the result ZEROED
Buddy explains!
The straight part
We know that "Readjusted to show zip" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case readjusted to show zip = zeroed.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 ZEROED mean?
ZEROED verb- To set a measuring instrument to zero; to calibrate instrument scale to valid zero.
- To change a memory location or range to values of zero; to set a variable in a computer program to zero.
- To cause or set some value or amount to be zero.
- To eliminate; to delete; to overwrite with zeros.
- To disappear