Select the most appropriate antonym of the given word.

INFALLIBLE

Imperfect

The most appropriate antonym of the word "infallible" is imperfect.

• Infallible means incapable of making mistakes or being wrong.
• Imperfect means having flaws or defects.

The other words are not antonyms of "infallible" because they have different meanings.

• Notorious means well-known, especially for some bad quality or deed.
• Flawless means without any flaws or defects.
• Dependable means able to be relied on.