Not openly expressed.

synonym: sneaking.

Roget 489: dissenting etc. v.; negative etc. 536; dissident, dissentient; unconsenting etc. (refusing) 764; non-content, nonjuring^†; protestant, recusant; unconvinced, unconverted.    unavowed, unacknowledged; out of the question.    discontented etc. 832; unwilling etc. 603; extorted.    sectarian, denominational, schismatic; heterodox; intolerant.    ... show more

Not affirmed or mentioned or declared.

Not openly made known.

synonym: secret.

Polish: cichy