unchecked

adjective4

1. •
   Unrestrained, not held back.

   • The Earth's a Theefe, / That feeds and breeds by a composture stolne / From gen'rall excrement: each thing's a Theefe. The Lawes, your curbe and whip, in their rough power / Ha's vncheck'd Theft. — 1605
2. •
   Not examined for accuracy, efficiency, etc.
3. •
   Of a check box: not checked (ticked or enabled).

   • This pseudocode is unambiguous if we know that the previous state of all the boxes is "unchecked." Because we can't be sure of that in buggy code, a better model might be: […] — 1995
4. •
   Of a square: part of only one entry (that is, across or down, but not both).