noun, noun or participle which takes 'suru', transitive verb
leaving on read; reading but not replying
Colloquial term from messaging apps: seeing a message (既読) but deliberately not responding (無視). Often used as a noun or with する.
See also: 既読スルー
彼氏に既読無視されて、すごく悲しかった。
I was really sad when my boyfriend left me on read.
大事な連絡なのに、既読無視するなんてひどい。
It's awful to read an important message and not reply.