1.
If your thoughts, wishes, or feelings are unspoken, you do not speak about them.
His face was expressionless, but Alex felt the unspoken criticism...
The other unspoken fear here is of an outbreak of hooliganism.
ADJ
2.
When there is an unspoken agreement or understanding between people, their behaviour shows that they agree about something or understand it, even though they have never spoken about it.
There had been an unspoken agreement between them that he would not call for her at Seymour House...
= tacit
ADJ: ADJ n