Standard Lemma guide

infallibly

adv · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ɪnˈfæl.ɪ.bli/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

adv

Meaning 1

In an infallible manner.

Definition source: English Wiktionary via Wiktextract

Examples

  • The pope speaks infallibly ex cathedra.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English infallible Middle English -ly English -ly English infallibly From infallible + -ly.

Across languages

Translations

9 source translations are retained for this English entry.

  • Czech: neomylně — in an infallible manner
  • Dutch: onfeilbaar — in an infallible manner
  • French: infailliblement — in an infallible manner
  • German: fehlerfrei — in an infallible manner
  • Italian: infallibilmente — in an infallible manner
  • Japanese: 間違いなく (machigainaku) — in an infallible manner
  • Japanese: 完璧に (kampeki ni) — in an infallible manner
  • Portuguese: infalivelmente — in an infallible manner
  • Spanish: infaliblemente — in an infallible manner