adverb
- in a way that is incapable of making mistakes or being wrong
- without fail; certainly and reliably
Examples
- The GPS system infallibly guided us to our destination.
- She could infallibly predict which students would struggle with the material.
- The old clock infallibly chimed every hour on the hour.
- His memory infallibly recalled every detail of that day.
- The recipe infallibly produces perfect bread every time.
- The compass infallibly points north regardless of weather conditions.