Lewis & Short

ĭn -explōrātus, a, um, adj., unexplored, not examined, unknown (not in Cic. or Cæs.): vada, Liv. 26, 48, 4; 39, 51, 6; 43, 4, 6: inventio mihi, Plin. 35, 6, 25, § 43.
Advv.

  1. A. ĭn-explōrātē, without examining beforehand: non temere, nec inexplorate, Gell. 5, 19, 5.
  2. B. ĭn-explō-rātō, without previous examination (a favorite word of Livy): ibi inexplorato profectus, in insidias praecipitatus, Liv. 21, 25, 9; 6, 30, 4; 22, 4, 4; 27, 26, 6.