Meaning & use
infallible
Last updated
Incapable of making mistakes or being wrong.
See it in a sentence
No system is infallible, so backups are always recommended.
She trusted her mentor's infallible judgment on financial matters.
A note on using this word
Infallible is often used to make a point precisely because true infallibility is rare, as in 'no one is infallible.'
Words with a similar meaning
unerringflawless
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
fallibleflawed
Make it your own
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