noun
communication gap; failure to communicate
Refers to a misunderstanding or disconnect between people due to differences in background, values, or communication styles.
世代間のコミュニケーションギャップを埋めるのは難しい。
It's difficult to bridge the communication gap between generations.
彼とはコミュニケーションギャップがあって、話がかみ合わない
There's a communication gap with him, so our conversations don't click.