French word

infaillible

Pronunciation

IPA/ɛ̃fajibl/

Meaning

  • adjectiveinfallible

Example

Son conseil est infaillible.

His advice is infallible.

Illustration for infaillible (infallible)

More examples

Cette astuce infaillible m'a permis de finir le travail rapidement.

This foolproof trick let me finish the work quickly.

Core concept

An arrow that always reaches its intended mark, whether the mark is an answer or a successful outcome.

Common phrases

  • méthode infaillible

    foolproof method

  • astuce infaillible

    foolproof trick

  • recette infaillible

    foolproof recipe

Similar words

sûr: Absolutely sure and free from doubt.
fiable: Reliable and able to work as expected.
certain: Certain, with no room for doubt.

Definition in French

Qualifie ce qui ne peut pas commettre d'erreur ni échouer.

Word origin

Infaillible comes from Latin infallibilis, built from in- 'not' and fallibilis 'liable to err', from fallere 'to deceive or mislead'.

Usage tips

  • Infaillible is a very strong absolute claim, so sûr or fiable is often more natural when some uncertainty remains.

Other meanings

  • unerringadjective
  • unfailingadjective

Opposites

  • failliblefallibleadjective

Related words

  • infaillibilitéinfallibilitynoun
  • infailliblementinfalliblyadverb

Word lists with this word