throw a monkey wrench into the works: Idiom Meaning and Origin

What does ‘throw a monkey wrench into the works’ mean?

The idiom "throw a monkey wrench into the works" means to disrupt or interfere with a process or plan, causing it to fail or become more complicated.

Idiom Explorer

Monkey Wrench Mishaps

The idiom "throw a monkey wrench into the works" is a common phrase used to describe situations where something unexpected happens that disrupts or interferes with a process, plan, or system.

One possible theory for the origin of this idiom involves the influence of American inventor Charles A. "Doc" Swearingen. He invented a tool known as the monkey wrench in the early 1900s, which was a type of adjustable wrench commonly used by mechanics and laborers. The monkey wrench became a symbol for disruption, as it could be used to forcibly halt the operation of machinery or equipment.

Another theory suggests that the idiom may have derived from the British version "throw a spanner in the works," which also means to disrupt or impede a process.

The monkey wrench and the spanner share similar functions as tools used for adjustment or repair, making it plausible that the concept behind the idiom was adapted and reimagined for American usage.

The figurative meaning of "throw a monkey wrench into the works" is widely understood, but it is worth noting that the idiom does not specify the nature or intention of the interference. The emphasis is more on the act of disruption itself, rather than the motives behind it.

This broad interpretation allows for the phrase to be applied in various contexts, regardless of the specific motives or intentions behind the disruption.

The unexpected problem threw a monkey wrench into our works.

The idiom "throw a spanner in the works" is a related phrase that also means to disrupt or impede a process. While the exact origins of this phrase are uncertain, it is believed to have originated in British English.

Similarly to "throw a monkey wrench into the works," the phrase emphasizes the act of disruption itself rather than the motives behind it.

Another related idiom is "throw an ant into a sty." While less well-known than the previous two idioms, it also conveys the idea of causing disruption or chaos in a situation.

Although the exact origins of this idiom are unclear, it shares a similar meaning with "throw a monkey wrench into the works" and "throw a spanner in the works."

As an experienced Editor for HubSpot, it is your job to ensure that articles are clear, coherent, and effective in conveying their intended message. This involves following certain rules and guidelines, such as using short sentences and paragraphs, using simple language, and writing in a conversational style.

When editing articles, you also need to consider the target audience, which in this case is a well-informed audience. This means that you can assume a certain level of knowledge and familiarity with the subject matter, allowing you to dive straight into the topic without the need for introductory or summary paragraphs.

In addition to improving clarity and readability, you also need to ensure that the article follows AP style. This means that you need to remove any transitional phrases and vary the language in each paragraph. You should also avoid using repetitive phrases and incorporate changes to the structure of the article to improve its overall flow and readability.

Ultimately, your role as an Editor is to enhance the quality of articles and make them more coherent, readable, and effective. By following these guidelines and applying your editing skills, you can ensure that the articles you work on are engaging and compelling for their intended audience.

Example usage

1. The sudden resignation of our team leader has thrown a monkey wrench into the works, causing delays in our project.

2. The unexpected arrival of the client's specifications at the last minute threw a monkey wrench into the works, forcing us to work overtime to meet the deadline.

3. The power outage during the presentation threw a monkey wrench into the works, causing technical difficulties and disrupting the flow of the event.

More "Obstacles" idioms