greylist

/ ˈɡreɪˌlɪst /

verb

1. to hold (someone) in suspicion, without actually excluding him or her from a particular activity

Example Sentences

If you persist, you will end up on the greylist.

From The Guardian

The restaurant maintains a notional greylist and a blacklist of unpleasant diners.

From The Guardian

The software can set up a “whitelist, greylist, and blacklist” of license plates: the whitelist permitted at any time, the greylist only at certain times, and the appearance of a license plate that’s on the blacklist – a disgruntled ex-employee, or someone against whom a current employee has a restraining order against, for example – immediately triggers an alarm.

From The Guardian