infallible

Syllables: in·fal·li·ble/ɪnˈfælɪbəl/

infallible noun: a person who, or an object or process that, is taken as being infallible.

Noun (1)

infallible (plural infallibles)

A person who, or an object or process that, is taken as being infallible.

Adjective

infallible (comparative more infallible, superlative most infallible)

Without fault or weakness; incapable of error or fallacy.
- He knows about many things, but even he is not infallible.
- That there may be Certainty upon an infallible Evidence in Matters of Science, I readily grant you. But since there once were Scepticks in Philosophy as well as Religion, such as doubted of every thing, I very much question, whether the whole World be agreed in this Point; unless you could assure...1720, Samuel Fancourt, “The Remarker's second Objection produced and examined”, in An Essay Concerning Certainty and Infallibility, London: R. Cruttenden, page 35
Certain to produce the intended effect; sure.
- Try this infallible cure for hiccups.
- [L]isten patiently [...] and you will easily perceive why I am reserved upon that subject. I will not lead you on, unguarded and ardent as I then was, to your destruction and infallible misery.1818, Mary Shelley, chapter 4, in Frankenstein, archived from the original on 30 Oct 2011
Certain to result from a specific cause; inevitable.
- Paley can only account for this fact by saying that we are constrained by the fear of punishment in a future life, such having been declared to us by revelation to be the infallible result of wrong action.1871, Alexander Grant, “On the Nature and Origin of the Moral Ideas”, in Papers Read at the Meetings of the Metaphysical Society

Noun (2) capitalized: Infallible

Infallible (plural Infallibles)

Any of the fourteen central religious figures believed by Twelver Shia Muslims to be infallible, consisting of Muhammad, his daughter Fatima, and the Twelve Imams recognized by Twelvers.

infallible meaning in Tamil, Urdu, Bengali and Malayalam

infallible in Tamil

தவறில்லாத, தவறிழைக்காத, பிழையாத

infallible in Urdu

infallible: معصوم ma'sūm

infallible in Bengali

অভ্রান্ত, অব্যর্থ, নির্ভুল

infallible in Malayalam

faultless, unerring, unfailing: തെറ്റാവരമുള്ള, ഒരിക്കലും തെറ്റു പറ്റാത്ത, നിരപായ, കുറ്റമറ്റ, അകളങ്ക, അവികല
guaranteed, unfailing, dependable: പിഴയ്ക്കാത്ത, തെറ്റാത്ത, വിശ്വസിക്കാവുന്ന, നമ്പാവുന്ന, പൂർണ്ണമായും ആശ്രയിക്കാവുന്ന, വിശ്വാസയോഗ്യമായ

More languagesFewer languages

infallible in Kannada: ದೋಷಾತೀತ, ತಪ್ಪುಮಾಡದ, ತಪ್ಪದ, ನಂಬಬಲ್ಲ

Examples of infallible in a sentence

That there may be Certainty upon an infallible Evidence in Matters of Science, I readily grant you.1720, Samuel Fancourt, “The Remarker's second Objection produced and examined”, in An Essay Concerning Certainty and Infallibility, London...
In precisely the same way does a quack doctor prescribe his infallible nostrum to every patient, without taking into account differences of constitution, or [...]1833, James Rennie, “The Word Gardening”, in Alphabet of Scientific Gardening for the Use of Beginners, London: William Orr, page 2:

All 14 example sentences with infallible

Synonyms of infallible

Antonyms

All synonyms and antonyms of infallible

Forms of infallible

Noun
plural	infallibles
plural	Infallibles
Adjective
comparative	more infallible
superlative	most infallible

Origin of infallible

From Medieval Latin īnfallibilis, from Latin in- + fallibilis. Compare French infaillible. By surface analysis, in- + fallible.

Words formed from infallible

Questions about infallible

What does infallible mean?: Infallible means a person who, or an object or process that, is taken as being infallible.
What is infallible in Tamil?: Infallible in Tamil is தவறில்லாத, தவறிழைக்காத, பிழையாத. See Infallible meaning in Tamil.
How do you use infallible in a sentence?: That there may be Certainty upon an infallible Evidence in Matters of Science, I readily grant you.
What part of speech is infallible?: Infallible can be a noun or an adjective.
How do you pronounce infallible?: Infallible is pronounced /ɪnˈfælɪbəl/.
What is the plural of infallible?: The plural of infallible is infallibles.

Words near infallible in the dictionary

Adapted from Wiktionary: infallible (page history and authors); Infallible (page history and authors); infallible (Tamil Wiktionary) (page history and authors); معصوم (Urdu) (page history and authors); Infallible (Bengali Wiktionary) (page history and authors); infallible (Olam, E.K. Kurup corpus) (dataset and license); infallible (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-infallible.ogg, en-au-infallible.ogg.

Cite this entry: “infallible.” Word.ws, https://word.ws/infallible. Based on Wiktionary, CC BY-SA 4.0.