confidential Synonyms

secret trustworthy trusty withheld back channel insider sub-rosa under-the-table surrey surreptitious stealthy sensitive secretive secrecy seclusive sealed restricted confidential information unlisted highly confidential classified information unrevealed unreported unreleased unregistered unpublished undisclosed under wraps top secret undercover need-to-know hush-hush nonpublic low profile chummy unrecorded quieter quarantined hushed hidden exclusive esoteric disentitle discreet dern covert confidentially closet close classified