Infallibly

//ɪnˈfæl.ɪ.bli// adv

adv ·Rare ·Advanced level

Definitions

Adverb

1
In an infallible manner.
"The pope speaks infallibly ex cathedra."

Synonyms

absolutely completely entirely fully ideally immaculately

Example

"The pope speaks infallibly ex cathedra."

Etymology

From infallible + -ly.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.