Choose the most appropriate ANTONYM of the given word.

FALLIABLE

Unerring

The most appropriate antonym of the word fallible is unerring.

• Fallible means "capable of making mistakes."
• Unerring means "making no mistakes; always correct."

The other words do not have the same meaning as unerring.

• Restrain means "to control or hold back (someone or something)."
• Trait means "a distinguishing quality or characteristic of a person or thing."
• Criticism means "the expression of disapproval of something."