TechnologySeptember 2, 2026

unimpeachable

un-im-PEE-chuh-bul

Definition

Not able to be doubted, questioned, or challenged; entirely trustworthy.

Etymology

Derived from the Middle English 'impechen' (to accuse or challenge), with the prefix 'un-' and suffix '-able' added to mean 'not capable of being challenged or accused.'

In the news

The article notes that Tesla claims its safety record is unimpeachable, yet highlights significant public and expert skepticism regarding the accuracy of that data.

Elon Musk’s heterodox robotaxi philosophy gets put to the test

Read the full article ↗

The Verge

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