Longman Dictionary of Contemporary English
closed-door
adjective
EXAMPLES FROM CORPUS
▪ All four dissenters spoke in the closed-door party session.
▪ But closed-door negotiations have yielded little more than words.
▪ He devoted most of his remarks in the closed-door session to offering his version of events in the ethics case against him.
▪ Leaders gather in closed-door cabals and carry on regardless of what their citizens think.
▪ There have been enough closed-door meetings around here lately.
▪ When Fisher got back she called Fontaine for a closed-door session.
▪ With the auction system, gone for ever will be the closed-door deals with local politicos.
WordNet
closed-door
adj. not open to the public; "a closed-door meeting"
Usage examples of "closed-door".
In this offhanded closed-door decision, the attorney general of the United States signed off, in advance, on the resegregation of a sizable portion of the United States military.
His executive assistant filed a lengthy “Night Note” summarizing the day’s reports from staff who monitored everything on the Hill, including closed-door briefings.
Crypto City's budget, long a closely held secret, has been revealed in a closed-door meeting in the City's Engineering and Technology Building.