What context can I use each word in?
Learn when and how to use these words with these examples!
infallible
Example
The scientist believed his theory was infallible and could not be proven wrong. [infallible: adjective]
Example
The computer program was designed to be infallible and error-free. [infallible: adjective]
flawless
Example
The singer's performance was flawless, and the audience gave her a standing ovation. [flawless: adjective]
Example
The diamond was flawless and had no visible imperfections. [flawless: adjective]
Good things to know
Which word is more common?
Flawless is more commonly used than infallible in everyday language, and it covers a wider range of contexts.
What’s the difference in the tone of formality between infallible and flawless?
Both infallible and flawless are formal words that are typically used in professional or academic settings to describe high levels of quality or excellence.