Infallible

Synonyms of infallible

• perfect
• flawless
• unerring

Antonyms of infallible

• imperfect
• erroneous
• fallible

Collocations of infallible

logic

Frequency: 70 %

His infallible logic led him to the correct conclusion.

proof

Frequency: 60 %

The theory was infallibly proven by the experiment.

plan

Frequency: 50 %

The infallible plan ensured the success of the operation.

judgment

Frequency: 45 %

Her infallible judgment in matters of business made her a valuable asset.

memory

Frequency: 35 %

The infallible memory of the old historian never failed to impress his audience.

Idiomatic Expressions for infallible

• Phrase: infallible logic
  Meaning: A line of reasoning that is flawless and cannot be refuted.
  Usage: The mathematician used infallible logic to solve the complex problem.