信しん疑ぎ

noun

belief or doubt; truth or error; authenticity

Abstract noun referring to the dichotomy between believing and doubting, or truth and falsehood. Often used in philosophical or formal contexts to discuss credibility, authenticity, or the balance between trust and skepticism.

• その証しょう言げんの信しん疑ぎを判はん断だんするのは難むずかしい。

  It is difficult to judge the credibility of that testimony.

• 歴れき史し的てき資し料りょうの信しん疑ぎは常つねに問とわれるべきだ。

  The authenticity of historical documents should always be questioned.