Wonderlic Cognitive Ability Test 2025 – 400 Free Practice Questions to Pass the Exam

The differing word in the set is "archaic" because it relates to something that is outdated or no longer in common use, often referring to language or customs from an earlier period. In contrast, the other words—"solemn," "grave," and "mirthless"—all convey a sense of seriousness or lack of joy. They describe mood or emotional states that pertain to gravity or somberness, while "archaic" focuses on the temporal aspect, indicating something that belongs to a past era rather than the current emotional tone. This distinction makes "archaic" the outlier in this grouping.