uncheckable
adjective
un·check·able ˌən-ˈche-kə-bəl 
: unable to be checked: such as
a
: unable to be hindered, slowed, or restrained
an uncheckable force
b
: unable to be verified
an uncheckable alibi
uncheckable facts
Example Sentences
Recent Examples on the Web Neither of these points necessarily mean Welker has uncontrollable or uncheckable biases: Everyone’s parents have opinions. 
Elise Taylor, Vogue, 21 Oct. 2020 The Constitution gives no government official uncheckable power. Andrew C. Mccarthy, National Review, 2 Sep. 2017
Elise Taylor, Vogue, 21 Oct. 2020 The Constitution gives no government official uncheckable power. Andrew C. Mccarthy, National Review, 2 Sep. 2017 Word History
First Known Use
1742, in the meaning defined above
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