confusion

(noun) disorder resulting from a failure to behave predictably. Example: "The army retreated in confusion."

(noun) a mental state characterized by a lack of clear and orderly thought and behavior. Synonyms: mental confusion, confusedness, muddiness, disarray. Example: "A confusion of impressions."

(noun) a feeling of embarrassment that leaves you confused. Synonyms: discombobulation.

(noun) an act causing a disorderly combination of elements with identities lost and distinctions blended. Example: "The confusion of tongues at the tower of babel."

(noun) a mistake that results from taking one thing to be another. Synonyms: mix-up. Example: "He changed his name in order to avoid confusion with the notorious outlaw."