confidential

adjective

Intended to be kept secret.

SYNONYMS

classifiedhush-hushintimatemumnon-publicnot for circulationnot for publicationnot to be disclosednot to be made publicoff the recordpersonalprivateprivilegedprivyquietrestrictedsecretsensitivesub rosatop secretunder wrapsundisclosedunofficialunpublishedunrevealed