untold

Etymology

From Old English unteald (“not counted or reckoned”), from tellan (“count, relate, tell”).

adj

1. Not told; not related; not revealed; secret.
   As Royal Engineers General Mungo Melvin, who has been helping with the draft, put it: "This is the last untold story of the Normandy Invasion." June 28 2023, Christian Wolmar, “The railway's crucial role in the Normandy invasion”, in RAIL, number 986, page 45
2. Not numbered or counted.
   Huge swaths of Port-au-Prince lay in ruins, and thousands of people were feared dead in the rubble. January 14, 2010, Simon Romero, “Haiti Lies in Ruins; Grim Search for Untold Dead”, in The New York Times
   More importantly, there is an untold multitude of Indian English terms that have never been given lexicographical treatment in any dictionary. 2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes, page 301
3. (literary) Not able to be counted, measured, told, expressed in words, or described; extremely large in scale, number, quantity, suffering, damage, etc.; uncountable, unmeasurable, immeasurable, indescribable, inexpressible.