A list resembling a blacklist for less serious offences.(noun)
To place on a greylist.(verb)
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Use "greylist" in a sentence
"Some operators allowed customers to "greylist" stolen phones - blocking the SIM card but not the handset."
"But there is also a separate "greylist" of countries."
"The letter follows Cayman's inclusion in a "greylist" of nations identified by the OECD as lacking in terms of compliance with international standards."