Which word indicates something of supreme importance?

The word "crucial" indicates something of supreme importance because it suggests that the matter at hand is essential and critical to the outcome or understanding of a situation. It conveys urgency and necessity, often implying that a particular decision or factor can significantly influence results. In various contexts, such as decision-making or problem-solving, recognizing something as crucial means that it is not merely important, but imperative to consider in order to achieve a desired result or understanding.

In contrast, the other words refer to lesser degrees of importance. "Minor" denotes something of little significance, "trivial" suggests something insignificant and unworthy of attention, and "insignificant" indicates something that lacks importance or value. Therefore, "crucial" stands out as the term that embodies supreme importance in any context.