Definition from Wiktionary, the free dictionary
- Kept, or meant to be kept, secret within a certain circle of persons; not intended to be known publicly
- The newspaper claims a leaked confidential report by the government admits to problems with corrupt MPs.
- (dated) Inclined to share confidences.
- Sitting in front of the fire, they became quite confidential, and began to gossip.
meant to be kept secret within a certain circle