uncheckable

/ʌnˈtʃɛkəbəl/
adjective
  1. Not able to be verified, confirmed, or stopped; impossible to check.
    • The rumor was uncheckable because no one had access to the original documents.
    • In the age of social media, uncheckable claims spread quickly.
    • The scientist warned that the data was uncheckable due to lost records.
Synonyms
What does "uncheckable" mean? | whatsthatwordmean | whatsthatwordmean