Err On The Side of Caution: Definition, Meaning and Origin

Last Updated on
May 13, 2023

"Err on the side of caution" is a popular idiom used in various contexts to suggest that one should take a safer, more cautious decision or approach, particularly when the outcome is uncertain or potentially risky.

In short:

"Err on the side of caution" advises a person to choose a safer or more cautious option in case of doubt or uncertainty.

What Does "Err On The Side of Caution" Mean?

The phrase "err on the side of caution" essentially means to act in the safest possible way in a given situation or to make the most cautious choice when in doubt. This idiom is often used when there is uncertainty or potential risk, encouraging the person to take a decision or action that minimizes any possible negative consequences.

Key aspects of the idiom's meaning include:

  • Used to promote a safe or cautious approach
  • Suggests minimizing risk in uncertain situations

This phrase is versatile and can be applied in a wide range of contexts, from personal decisions to business strategy, medical advice, or even environmental policies.

Where Does "Err On The Side of Caution" Come From?

The idiom "err on the side of caution" traces its origins back to the Old French term "errer," which emerged around the year 1300 and meant 'to make a mistake.' This interpretation of "err" was first noted in a publication in 1678, specifically in the book "Of the Heart, and its Right to Soveraign" by Thomas Jones. From the 17th to the 18th century, this phrase was frequently used and continues to be a part of everyday conversation. Interestingly, its popularity seemed to surge in the 20th century, particularly from 1986 onwards.

Historical Example

"The great risk of failure is from the occurrence of inflammation; and in a matter of so much consequence, it is better to err on the side of caution."

- A Treatise on the Diseases of the Eye, Sir William Lawrence, 1833

10 Examples of "Err On The Side of Caution" in Sentences

Here are some examples of using the idiom in sentences:

  • When it comes to wilderness survival, it's always better to err on the side of caution.
  • Given the uncertainty of the market, we've decided to err on the side of caution and postpone the product launch.
  • If you're not sure how much spice to add, err on the side of caution and use less.
  • The weather forecast says there’s a chance of thunderstorms later. I’ll err on the side of caution and bring an umbrella with me.
  • When you're not sure if a lame joke will be well-received, it's better to err on the side of caution and keep it to yourself.
  • While it may seem like an overreaction, in the face of a potential pandemic, it is better to err on the side of caution.
  • When hiking in unfamiliar terrain, it's smart to err on the side of caution and stick to marked trails.
  • The waves at the beach were gnarly today. I’ll err on the side of caution and just stay home.
  • In planning our next course of action, err on the side of caution and discuss any updates at your earliest convenience.
  • I’m not sure if I can make it to the meeting tomorrow. I’ll err on the side of caution and keep you posted.

Examples of "Err On The Side of Caution" in Pop Culture

The phrase frequently appears in movies, television shows, news reports, and literature.

Some examples include:

  • "I don’t know if it still hurts people’s feelings at that age to be thought of as older, but it’s better to err on the side of caution" is a quote from the 2017 YA novel Saints and Misfits.
  • An excerpt from the sports history book Seabiscuit: An American Legend reads, "Knowing that the horse, when forced, tended to become obstreperous, Pollard may have decided to err on the side of caution and advise Workman to withhold the whip."

Other/Different Ways to Say "Err On The Side of Caution"

There are several alternative expressions that convey a similar sentiment to "err on the side of caution."

Some of these include:

  • Better safe than sorry
  • Play it safe
  • Be on the safe side
  • Take no chances
  • Avoid unnecessary risks

10 Frequently Asked Questions About "Err On The Side of Caution"

  • Is "err on the side of caution" a formal expression?

"Err on the side of caution" can be both formal and informal. It is commonly used in a variety of situations, from casual conversations to more formal discussions or presentations.

  • Can you use the phrase in a business context?

Yes, "err on the side of caution" is often used in business contexts to suggest a conservative approach or strategy, especially when dealing with uncertain or risky situations.

  • Can the phrase be used in written communication?

Yes, "err on the side of caution" can be used in both spoken and written communication. It can be found in emails, reports, articles, and other forms of written content.

  • Is the phrase appropriate for all cultures?

While the specific phrase "err on the side of caution" is predominantly used in English-speaking cultures, the concept of being cautious in the face of uncertainty is universally understood across many cultures, though the exact wording may differ.

  • Can the phrase be used in a medical context?

Yes, "err on the side of caution" is frequently used in medical contexts to suggest a conservative approach to diagnosis, treatment, or preventive measures, especially when there is uncertainty or potential risk involved.

  • Can you say "err on the side of caution" when giving advice?

Yes, "err on the side of caution" is often used when giving advice, especially when suggesting that someone should take a safer or more cautious approach in a situation.

  • Is it okay to use it in personal situations?

Yes, the phrase can be used in a variety of contexts, including personal situations like decision-making in everyday life, travel plans, or health-related decisions.

  • Is "err on the side of caution" used only in risky situations?

"Err on the side of caution" is commonly used in situations that involve potential risk or uncertainty, but it can also be used in any situation where a cautious approach is considered beneficial.

  • Can you use it to advise someone about future actions?

Yes, "err on the side of caution" can be used to advise someone to take a cautious approach in planning or making decisions about future actions or events.

  • Can you use the phrase even if there is no immediate danger?

Yes, "err on the side of caution" can be used even if there's no immediate danger. It's a phrase that recommends a cautious approach to prevent possible harm or unfavorable outcomes in the future.

Final Thoughts About "Err On The Side of Caution"

To wrap up, the idiom "err on the side of caution" is a widely used expression to suggest a cautious approach when faced with uncertainty or potential risk. It can be applied across a range of contexts, from casual to formal and from personal to professional scenarios.

Key aspects of the phrase:

  • Suggests a cautious or conservative approach
  • Used in a variety of situations
  • Appropriate for both formal and informal contexts

While the phrase is adaptable and widely recognized, it's important to use it appropriately considering the context. "Err on the side of caution" is prudent advice. But it's always essential to balance caution with courage and initiative when making decisions.

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