The expression "throws a monkey wrench into" refers to an action that disrupts or spoils a plan or situation. The spelling of this idiom may seem unusual, but it is phonetically accurate. "Monkey wrench" is pronounced /ˈmʌŋki ˌrɛntʃ/, with the stress on the first syllable of each word. The phrase likely originated in the United States in the early 20th century, and it has since become a common expression in English-speaking countries around the world. Whether you prefer to say "throws a spanner in the works" or "throws a monkey wrench into," the meaning remains the same – chaos is sure to ensue.
The phrase "throws a monkey wrench into" is an idiomatic expression that means to disrupt, hinder, or impede a process, plan, or situation, typically by introducing unexpected or complicating factors. It conveys the idea of causing sudden and significant difficulties or obstacles, often resulting in the failure or alteration of the original plan or outcome.
The term "monkey wrench" refers to a type of adjustable spanner wrench, which was initially used for tightening and loosening nuts and bolts in machinery. A monkey wrench is a heavy, solid tool that can potentially cause damage or halt the functioning of a machine if inserted inappropriately. Therefore, metaphorically, when something "throws a monkey wrench into" a situation, it implies a significant disruption or interference capable of derailing the expected course of events.
This phrase is commonly used in contexts where an unexpected problem or complication arises, altering the course or progress of a task, project, or process. It often suggests frustration or annoyance, as well as a need to reassess or modify plans in response to the unexpected obstacle. Whether intentional or accidental, the action described as throwing a monkey wrench into a situation typically leads to delays, complications, or a complete change of plans.