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Word of the Day Tuesday, June 9, 2026

infallible

/ɪnˈfɔlɪbəl/ adjective · British & US
Valid in UKValid in US
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What does infallible mean?

adjective

Not capable of making mistakes or being wrong; absolutely reliable. Having a perfect or flawless record.

Example

"The company's infallible quality control process ensures that every product meets the highest standards."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for infallible

Antonyms of infallible

Rhymes with infallible

Etymologically related