ETYM French confusion, Latin confusio.
1. A mental state characterized by a lack of clear and orderly thought and behavior; SYN. mental confusion, disarray.
2. Disorder resulting from a failure to behave predictably.
3. A mistake that results from taking one thing to be another; SYN. mix-up, confounding.
4. A feeling of embarrassment that leaves one confused; SYN. discombobulation.