infallible

Others, who just wanted an infallible excuse to tote their animals alongside them to bars and cafes, had no such shame.

Popes wield such power that they can speak ex cathedra — literally, from the papal throne — to make infallible pronouncements on morality that the faithful must obey.

You couldn’t look anywhere without seeing pink and green last fall, but the finer details in Tazewell’s garments were some of a flawed film’s most infallible features.

For example, although courts are by no means infallible, they tend to be much more likely than committees of legislators to do a fair job of resolving such contested elections.

However, they had already lost five games at that point and had proved they were far from infallible.