Are the words "Infallible" and "Impeccable" similar, contradictory, or not related?

The words "Infallible" and "Impeccable" are indeed similar in meaning. Both terms convey a sense of perfection and the absence of flaws. "Infallible" describes something that cannot make mistakes or be wrong, suggesting a reliability that is absolute. On the other hand, "Impeccable" refers to something that is flawless or without sin, often used to describe behavior, character, or appearance that meets the highest standards.

Their similarity lies in the idea of being without fault: infallibility points to an inability to err, while impeccability emphasizes the quality of being impeccable or faultless. Thus, understanding the nuances of both terms reveals that they both represent a concept of ideal perfection, just applied in slightly different contexts.