a word of warning

USAGE SUMMARY

The phrase "a word of warning" is grammatically correct and can be used in written English.
It is usually used to indicate that a person should be careful about something, as in the following example: "I want to give you a word of warning: you should be careful not to make the same mistake twice."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

But he adds a word of warning.

Independent

But a word of warning.

The New York Times

But he began by offering a word of warning.

The New York Times

"I was suddenly divorced - without a word of warning.

The Guardian

But a word of warning: promotion to a higher league is not always cause for celebration.

The Economist

The world is rushing in and that is wonderful, but a word of warning.

The Guardian

Before we begin this week's paper review, let me offer a word of warning.

The Guardian - Opinion

While this would represent a breath of fresh air for cash-strapped conservation efforts, Grimsditch issues a word of warning.

The Guardian

Many tutors will continue to pursue these two careers in tandem, but Kiely sounds a word of warning.

The Guardian

A word of warning.

BBC

But before we go on, a word of warning.

Science Magazine

Expert writing Tips

Best practice

Use "a word of warning" to preface advice or cautionary information, ensuring clarity and emphasis.

Common error

Avoid using "a word of warning" in overly casual situations; consider more relaxed alternatives like "just so you know" or "heads up" to maintain a natural tone.

Linguistic Context

The phrase "a word of warning" functions as an idiomatic expression used to preface cautionary advice or alert someone to potential risks. It sets the stage for delivering information intended to prevent negative outcomes. As Ludwig AI suggests, it is a grammatically correct phrase.

Expression frequency: Very common

Frequent in

News & Media

74%

Science

12%

Formal & Business

5%

Less common in

Wiki

3%

Encyclopedias

3%

Reference

3%

Ludwig's WRAP-UP

In summary, "a word of warning" is a versatile phrase used to introduce cautionary advice or alert someone to potential risks. Ludwig AI confirms its grammatical correctness. It is most commonly found in news and media contexts, indicating its relevance in disseminating important information. While alternatives exist, such as "a cautionary note" or "I should warn you", the choice depends on the desired level of formality and directness. When using this phrase, ensure it is followed by clear, actionable advice to maximize its impact and prevent potential negative outcomes.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a cautionary note

Replaces 'word' with 'note', implying a slightly more formal or written warning.

a note of caution

Similar to 'cautionary note' but can apply to situations requiring carefulness.

I should warn you

Emphasizes the speaker's responsibility to provide the warning.

let me caution you

Directly addresses the listener, making the warning more personal.

a piece of advice

Shifts the focus from warning to general guidance or suggestion.

be forewarned

A more formal and somewhat archaic way of saying 'be warned'.

a caveat

Introduces a specific limitation or condition to consider.

bear in mind

Reminds the listener of a crucial factor to consider.

please note

Draws attention to an important detail that may affect the outcome.

a red flag

Highlights something that should cause concern or signal danger.

FAQs

How can I use "a word of warning" in a sentence?

You can use "a word of warning" to introduce cautionary advice, like: "Before you invest, here’s "a word of warning": be sure to research thoroughly."

What phrases can I use instead of "a word of warning"?

Alternatives include "a cautionary note", "a note of caution", or "I should warn you", depending on the context.

Is "a word of warning" formal or informal?

"A word of warning" falls in the neutral register and is suitable for most contexts, but consider alternatives like "be forewarned" for formal settings or "heads up" for informal ones.

When is it appropriate to use "a word of warning"?

Use "a word of warning" when you need to alert someone to a potential risk or problem. For example, "A word of warning: that trail can be slippery after it rains."