off-the-record
Definitions
Not intended for publication or official record.
Given or said in confidence, with the understanding that it will not be quoted or attributed.
Examples
The politician spoke off-the-record to the journalist to share his true feelings about the new policy.
Everything discussed in this meeting is strictly off-the-record, so please do not share any details with the press.
Synonyms
confidential private unofficial hush-hush not for attribution secret background