confidential

on confidential terms with sb.

commercially confidential data

the prime minister's confidential secretary.

She became my confidential secretary.

Please lock up these confidential reports.

We have a confidential exchange of views.

Don't become too confidential with strangers.

She is a confidential secretary of Mr. Smith.

his confidential speech was not meant for public consumption.

a confidential tone of voice.See Synonyms at familiar

he dropped his voice to a confidential whisper.

the Home Office trawled through twenty-five-year-old confidential files.

the government took the unprecedented step of releasing confidential correspondence.

He refused to allow his secretary to handle confidential letters.

The whole banking scandal came into the open after somebody found some confidential documents on a train.

For Stepney to share 780 pages of confidential Ferrari technical information with a McLaren employee was a heinously treacherous act.

a reporter sacked for revealing a confidential source. See also Synonyms at eject