Longman Dictionary of Contemporary English homepage

untested

 adjective
     
un‧tested
1 untested ideas, methods, or people have not been used in a particular situation so you do not know what they are like:
an argument based on untested assumptions
2 an untested drug, medical treatment etc has not been given any scientific tests to discover if it is safe to use
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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