Question

The suffixes -ible and -able mean "able to be done".

Based on this understanding, you can infer that the definition of the word infallible is

A bias or natural liking for something

A task you undertake on your own

An event that occurs between two other events

Something or someone that is not capable of making a mistake

Answer 1

Something or someone that is not capable of making a mistake

Answer 2

The answer is: “Something or someone that is not capable of making a mistake.”