untested

adj

1. (not-comparable)Not previously tested.

   “If the promising but untested treatment would replace EET, the head-to-head comparison would be similar to the "placebo-controlled" trials I've already described, but with EET in place of the placebo.”

   “The assumption that these are identical in meaning and usage between Indian English and Anglo-American English, while tacitly accepted, is untested, and fundamentally unknown.”