untested

analyses based on dubious and untested assumptions.

The process you're describing is completely untested.

But, these technologies are costly and untested on a large scale.

And a new, untested leader whose message in victory was moderate.

Celsius was also putting customers deposits into risky, untested investments.

It isn't like Washington is a completely unknown or untested actor.

There was much work to be done. The machinery of government was new, untested.

Using drones fitted with infrared cameras to conduct a census was an untested concept.

But his life yielded an endless succession of untested contraptions, unpublished studies and unfinished artworks.

Of course, all sorts of untested remedies were being made, advertised and sold within the US.

The idea of building structures and essentially becoming governmental landlords was untested on a national scale.