not if but when

USAGE SUMMARY

The phrase "not if but when" is correct and usable in written English.
It is typically used to indicate that something is inevitable and will happen at some point in the future, rather than questioning if it will happen at all. Example: "With the rapid advancements in technology, it's not if but when we will see fully autonomous vehicles on the roads."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

The question is not "if" but "when" society will regulate AI.

TechCrunch

Instead, it's the uncertainty, of not "if" but "when" the country will default.

Huffington Post

It's not if, but when".

The Guardian - Sport

Not if, but when.

The New York Times - Sports

"Now it's not if but when".

The New York Times

The question, they say, is not if but when.

The New York Times

Not if, but when there is an election'.

Independent

IN THE end the question was not if, but when.

The Economist

Human-verified similar examples from authoritative sources

Similar Expressions

3 human-written examples

Mr. McCain said Mr. Gates's testimony was "clearly biased" because of his not-if-but-when comments.

The New York Times

Perhaps what's driving this moment is fear of the seeming inevitability, the not-if-but-when of it all.

Huffington Post

But Luckman said in January that he'd be "amazed" if it didn't break away in mere months, and rhetoric usually has a not-if-but-when tone.

Huffington Post

Expert writing Tips

Best practice

When using "not if but when", ensure the context clearly indicates the event is considered certain. Otherwise, it may create confusion or imply uncertainty.

Common error

Avoid using "not if but when" when the event is not genuinely inevitable, or when there's a reasonable chance it might not occur. Overusing it can make your writing seem presumptuous or unrealistic.

Linguistic Context

The phrase "not if but when" functions as a conjunction phrase used to emphasize the certainty of an event's occurrence, shifting the focus to the timing. This is supported by Ludwig AI, which confirms its grammatical correctness.

Expression frequency: Very common

Frequent in

News & Media

79%

Science

10%

Formal & Business

5%

Less common in

Academia

3%

Encyclopedias

1%

Wiki

1%

Ludwig's WRAP-UP

The phrase "not if but when" is a grammatically sound and frequently used expression to convey a sense of inevitability, shifting the focus from the possibility of an event to its timing. Ludwig AI confirms its correctness and broad applicability. Predominantly found in News & Media contexts, it serves to emphasize certainty and is suitable for neutral registers. When incorporating this phrase into your writing, ensure the context genuinely reflects an inevitable outcome; otherwise, alternatives like "it's possible" may be more appropriate.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it's only a matter of time

Focuses on the time aspect until something happens, highlighting the expectation that it will eventually occur.

it's bound to happen

Emphasizes the certainty that something will occur due to inevitable forces or circumstances.

it's inevitable

Highlights the unavoidable nature of an event, stressing the lack of alternatives.

it will certainly occur

Stresses the sureness of something happening in the future.

it's destined to be

Suggests that an event is predetermined and unavoidable, often implying a sense of fate or higher power.

it's on the horizon

Implies that an event is approaching and will soon become a reality.

it's coming down the pike

Indicates that an event is on its way and will arrive in due course.

it's just around the corner

Suggests that an event is very near in time and will happen shortly.

sooner or later

Highlights that something will happen at some point, without specifying when.

it is to be expected

Indicates that an event is likely or probable, given the current circumstances.

FAQs

How can I use "not if but when" in a sentence?

Use "not if but when" to indicate that something is certain to happen, and the only question is the timing. For example, "The question is "not if but when" autonomous vehicles will become commonplace on our roads."

What phrases are similar to "not if but when"?

Similar phrases include "it's only a matter of time", "it's inevitable", or "sooner or later". These all suggest a high degree of certainty about a future event.

Is it appropriate to use "not if but when" in formal writing?

Yes, "not if but when" is appropriate for formal writing, especially when discussing trends, predictions, or situations where the outcome is highly probable. Its use in news and media, as shown by Ludwig, supports this.

What's the nuance difference between "not if but when" and "it's possible"?

"Not if but when" implies certainty, focusing on the timing of an event. "It's possible" suggests uncertainty and indicates that the event may or may not occur. They are opposite in meaning.