Undivulged

ppl. a. (UN-¹ 8.)

1605.  Shaks., Lear, III. ii. 52. Tremble thou Wretch, That hast within thec vndivulged Crimes Vnwhipt of Iustice.

1854.  J. S. C. Abbott, Napoleon (1855), I. xxxi. 477. He … listened, with emotions undivulged, to the acclamations of seventy thousand voices.

1883.  A. Dobson, Fielding, vi. 167. A secret that, to this day, remains undivulged.