infallible

adjective/ɪnˈfæləbəl/

Frequency rank: #12,791 most common English word

Meaning

Incapable of making mistakes; never wrong.

Illustration for the English word “infallible”

Example sentence

Many students believe their favorite teacher is infallible, but even experts make mistakes sometimes.

Synonyms & related words

Practice this word in the quiz

More words in ranks 12,701–12,800