inconfirm
/ɪnˈkɒn.fɔːr.mənt/Definitions
1. verb
to make something uncertain or less certain
“The new evidence in the trial inconfirmed the suspect’s alibi.”
2. noun
the act of making something uncertain or less certain
“The inconfirmation of the scientist’s theory led to a heated debate.”
3. adjective
uncertain or less certain
“The inconfirmed reports from the war zone made it difficult to gather accurate information.”