necessary evil: Idiom Meaning and Origin

What does ‘necessary evil’ mean?

The idiom "necessary evil" refers to something undesirable or unpleasant that is required or indispensable for a particular purpose or goal.

Idiom Explorer

Embracing Complexity

The idiom "necessary evil" is a commonly used phrase that describes something unpleasant but essential. It conveys the idea that certain actions or entities, which may be undesirable, are nonetheless required in specific situations. The use of the word "necessary" emphasizes the importance or urgency of the action, while "evil" conveys a sense of negativity or moral wrongness. The idiom has a long history, with early references dating back to the writings of Aristotle. In his book "Politics," Aristotle used a similar expression to illustrate the importance of certain skills, stating that a ship-building art is a necessary evil because without it, building a ship would not be possible.

Modern usage of the idiom "necessary evil" often arises in discussions about controversial or morally ambiguous topics. It can be used to describe political actions or policies that are seen as undesirable but deemed necessary for the greater good or stability of a nation. The idiom also acknowledges the inevitability of unpleasant decisions or actions in achieving a desired outcome.

Interpretations of the idiom can vary depending on the context. In some cases, it may reflect a person's moral dilemma or internal struggle when faced with a difficult decision. It recognizes that sometimes individuals are forced to choose between two undesirable options, and they must select one, even though it may have negative consequences.

Compulsory duty is a necessary evil in certain situations.

When discussing a necessary evil, idioms related to "if needs be" may come to mind. This phrase is often used to convey the idea that if a situation requires or demands it, one must be willing to take necessary action. It emphasizes the importance of not shying away from difficult decisions when they are needed. Another relevant idiom is "last thing one needs." This expression highlights the already challenging circumstances that arise when a necessary evil is present. It suggests that the undesirable nature of the situation makes it even more burdensome or difficult. It underscores the additional frustration or stress that comes with dealing with an unpleasant but necessary element.

"make a virtue of necessity" is another idiom related to the concept of a necessary evil. It encourages individuals to find positive value or virtues in undesirable situations. This idiom suggests that one can, through a change in perspective, focus on the benefits or opportunities that arise from dealing with a necessary evil. It emphasizes the importance of embracing challenging circumstances and making the most of them.

Lastly, the idiom "needless to say" can also be related to a necessary evil. This phrase is often used to indicate that something is so obvious or well-known that it doesn't need to be explicitly stated. In the context of a necessary evil, it can represent the recognition that certain actions or entities are undesirable but necessary, and their nature requires no further explanation.

The idiom "necessary evil" captures the complex nature of decision-making and the recognition that certain actions or entities, though unpleasant, may be indispensable in achieving a desired outcome. It emphasizes the importance of considering the broader context and weighing the trade-offs involved in making difficult choices. While the idiom provides a concise and pithy expression for this concept, it also leaves room for further exploration and analysis. The notion of a "necessary evil" sparks curiosity about the myriad circumstances and ethical questions that arise in our everyday lives.

Example usage

Examples of how the idiom "necessary evil" can be used in a sentence:

  • Working overtime is a necessary evil if I want to finish this project on time.
  • Paying taxes is often seen as a necessary evil in order to support public services.
  • Hiring a lawyer can be a necessary evil when dealing with legal issues.

More "Adversity" idioms