
Infallibly
Absolute Certainty
Used when surety is absolute and mistakes are impossible.
Her intuition was infallibly accurate.
Expert Knowledge
Implies the person has expert skills or knowledge.
He can infallibly solve any math problem.
Not Literal
Often used for emphasis, not that it's truly infallible.
The app predicts traffic infallibly.
Compare with
IndubitablyReliableSureUnerringWithout fail
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