词源

源自中世紀拉丁語 ，源自拉丁語 + 。对比法語 。字面分析等同於 +‎ 。

发音

• 國際音標^(幫助)：/ɪnˈfæl.ɪ.bl̩/

• （美国）音频：

  (檔案)

• （澳洲）音频：

  (檔案)

形容词

(比較級，最高級)

1. 没有任何错误或缺点的，无懈可击的

   He knows about many things, but even he is not infallible.

   他懂的东西很多，但是就算是他也不是完美的。

   • 1720, , “The Remarker's second Objection produced and examined”, 出自 An Essay Concerning Certainty and Infallibility: Or, Some Reflections Upon a Pamphlet Stiled, “The Nature and Consequences of Enthusiasm Considered, in Some Short Remarks on the Doctrine of the Blessed Trinity Stated and Defended.” In a Letter to the Author of Those Remarks‎, London: ，頁號 35:

     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 me, that Race of Seekers is now extinct.

     （請為本引文添加中文翻譯）

2. 保证成功的，万无一失的

   Try this infallible cure for hiccups.

   （請為本使用例添加中文翻譯）

   • 1818, Mary Shelley, 章號 4, 出自 Frankenstein‎，於30 October 2011歸檔自原頁面:

     [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.

     （請為本引文添加中文翻譯）

   • 1833, , “The Word Gardening”, 出自 Alphabet of Scientific Gardening for the Use of Beginners, London: William Orr，頁號 2:

     In precisely the same way does a quack doctor prescribe his infallible nostrum to every patient, without taking into account differences of constitution, or [...]

     （請為本引文添加中文翻譯）

名词

(複數)

1. 没有任何错误或缺点的人或事物；万无一失的人或事物