has gone crazy

USAGE SUMMARY

'has gone crazy' is correct and usable in written English.
This phrase is often used to describe someone who is behaving in an irrational or disruptive manner. For example, "She has gone crazy since her break-up with him!".

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The world has gone crazy.

The New York Times

"Reykjavik has gone crazy.

The Guardian - Arts

He has gone crazy.

The New Yorker

"Ehud Barak has gone crazy.

The Guardian - Opinion

"The world has gone crazy," he said.

The Guardian

"The world has gone crazy," Musoke said.

The Guardian

It is tungsten, and its price has gone crazy.

The Economist

"The fashion industry has gone crazy for tartan.

Independent

"My family thinks that Grandma has gone crazy," she said.

The New York Times

My employees said, our president has gone crazy.

Harvard Business Review

"Seems to me the world has gone crazy.

The Washington Post

Expert writing Tips

Best practice

Use "has gone crazy" to describe a person's sudden and unexpected change in behavior, or a situation spiraling out of control. The phrase is versatile and can be applied in both serious and lighthearted contexts.

Common error

Avoid using "has gone crazy" to describe a gradual change in someone's personality or a slow decline in a situation. This phrase is best suited for sudden, drastic shifts.

Linguistic Context

The phrase "has gone crazy" functions as a predicate in a sentence, typically describing the state or condition of a subject (person, thing, or situation). Ludwig AI confirms its usability in written English. Examples show it describing people's behavior, market trends, and world events.

Expression frequency: Very common

Frequent in

News & Media

94%

Wiki

3%

Formal & Business

1%

Less common in

Academia

0%

Science

1%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "has gone crazy" is a versatile expression used to describe a sudden shift to irrational or chaotic behavior. Ludwig AI confirms it as grammatically correct and widely used, particularly in News & Media. While mostly neutral, its informal tone may not suit certain formal contexts. Alternatives such as ""has gone mad"" or ""has lost it"" can offer different shades of meaning. Remember to use it for sudden changes and consider the context for appropriate formality.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has gone mad

Replaces 'crazy' with 'mad', implying a more severe or clinical level of mental instability.

has become deranged

Indicates a severe mental disturbance, often implying danger.

has lost it

Indicates a temporary loss of control or composure.

has become unhinged

Suggests a detachment from reality or a loss of stability.

has gone off the rails

Suggests a deviation from normal behavior or a loss of control in a situation.

has flipped out

Implies a sudden and intense emotional outburst.

has become irrational

Focuses on the loss of logical thinking and sound judgment.

has become hysterical

Implies an overwhelming emotional response, often involving panic or fear.

has gone bananas

A more playful and informal way to describe someone acting wildly or irrationally.

has gone wild

Describes a situation or event that has become uncontrolled or chaotic.

FAQs

How can I use "has gone crazy" in a sentence?

You can use "has gone crazy" to describe a person who is behaving irrationally, such as "My neighbor "has gone crazy" since he lost his job". It can also describe a situation that is out of control, such as "The housing market "has gone crazy" in recent years".

What are some alternatives to "has gone crazy"?

Depending on the context, you can use alternatives like "has gone mad", "has lost it", or "has flipped out".

Is it appropriate to use "has gone crazy" in formal writing?

While "has gone crazy" is widely understood, it is generally more appropriate for informal or neutral contexts. In formal writing, consider using alternatives that are more precise and less colloquial, such as "has become unstable" or "has become unpredictable".

What's the difference between "has gone crazy" and "has gone mad"?

Both phrases suggest a state of mental instability or irrational behavior, but ""has gone mad"" often implies a more severe or clinical level of mental illness than ""has gone crazy"", which can be used more casually to describe someone acting foolishly or erratically.