also: ゆきちがいになる
expression, godan verb (-ru)
miss each other; cross in the mail; go astray; go wrong
Describes a situation where two things fail to connect properly: people missing each other, letters crossing, or plans going awry. Often implies a timing or communication mishap.
駅で行き違いになって、会えなかった。
We missed each other at the station and couldn't meet.
手紙が行き違いになって、返事が遅れた。
Our letters crossed in the mail, so the reply was delayed.
連絡が行き違いになって、計画がうまくいかなかった。
Communication went wrong and the plan didn't work out.