An unintended consequence refers to an unexpected and often negative outcome that occurs as a result of an action or decision. It is something that was not anticipated or intended, but emerges as a result.
Related terms
Side Effect: A side effect refers to an additional and usually unwanted effect that accompanies the desired outcome of an action or treatment.
Butterfly Effect: The butterfly effect is the concept that small changes can have large effects over time. It suggests that even seemingly insignificant actions can lead to significant consequences.
Repercussions: Repercussions are the consequences or effects of a particular event or action. They often refer to negative outcomes resulting from previous actions.