not openly expressed

See: tacit
References in periodicals archive ?
Although the signatories to Channel 4's exclusive four-year racing contract have not openly expressed disappointment over the alarming fall in audiences, the pressure is sure to build on those responsible for axing the BBC - Racecourse Media Group, whose chief executive Richard FitzGerald led the terrestrial negotiations, Jockey Club Racecourses, Ascot and British Champion Series - should the commercial broadcaster's figures for the royal meeting not be better than on its debut last year.
Tacit knowledge in an organization refers to the implicit knowledge that individuals make use of that is not openly expressed or taught.
There was a feeling, although perhaps not openly expressed, that the public, if the public objected, could be damned.