What context can I use each word in?
Learn when and how to use these words with these examples!
infallibility
Example
The Pope's infallibility is a central tenet of Catholicism. [infallibility: noun]
Example
The scientist's research was conducted with the utmost infallibility. [infallibility: noun]
certainty
Example
I can say with certainty that I locked the door before leaving. [certainty: noun]
Example
The company's success is a certainty due to its strong financial position. [certainty: noun]
Good things to know
Which word is more common?
Certainty is more commonly used than infallibility in everyday language. Certainty is versatile and covers a wide range of contexts, while infallibility is less common and may be seen as more formal or specialized.
What’s the difference in the tone of formality between infallibility and certainty?
Infallibility is typically associated with a more formal or specialized tone, while certainty is more versatile and can be employed in various formality levels, allowing it to be used in both formal and informal contexts.