Having a tendency to form critical opinions about other people's choices or behavior, often without knowing all the facts.
From 'judgment' (from Old French 'jugement') plus the suffix '-al' meaning 'relating to.' The word evolved to describe people who are quick to judge.
Interestingly, humans are evolutionarily wired to be somewhat judgmental—quick snap judgments about strangers could mean survival in ancestral environments, but this ancient mental shortcut makes us judge people harshly when we really don't have enough information.
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