Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
become deluded
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "become deluded" is correct and usable in written English.
It can be used when describing a process in which someone starts to hold false beliefs or misconceptions. Example: "Over time, he began to become deluded about his abilities, thinking he was the best in the field despite evidence to the contrary."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
7 human-written examples
"He had become deluded".
News & Media
Athletes become deluded into thinking we can have peace and war simultaneously.
News & Media
People either become deluded, or they get taken to a certain level and then dropped.
News & Media
I just hope that I would be so romantic that I become deluded enough to keep hoping".
News & Media
Some, like Burke and Paretsky, have opted to carry on ploughing the same furrow over and over, while others, like Ellroy, have become deluded by their own dreams of grandeur.
News & Media
Here there are no larger-than-life characters, no sinner-saints or inspired madmen -- just listless, marginal dreamers, scavengers who seem to have become deluded by some long-forgotten notion of the desert, only to find themselves eking out a hardscrabble existence among the detritus of those who've been this way before.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
"He became deluded in his belief that he had constructed a legit traffic study".
News & Media
But in the space of 10 years, he became deluded by power, a leader whose only ambitions were to build palaces and drive luxurious cars.
News & Media
Ranked #2 BPM [Beats Per Minute]!" The praise is so detached and mechanical that it calls into question whether corporate executives have become so deluded by money that they now really think of BPM metrics as legitimate and positive ways to describe art.
News & Media
Hammond makes a persuasive, unsettling case that contemporary American poetry has become as institutionally deluded as I was in the seventies, that American literary instruction has become the standardized, academically sponsored product of-by-for democratic mediocrity.
Academia
In a motion filed on Mr. Letterman's behalf, Pat Rogers, an Albuquerque lawyer, wrote, "Celebrities deserve protection of their reputation and legal rights when the occasional fan becomes dangerous or deluded".
News & Media
Expert writing Tips
Best practice
When using "become deluded", consider adding context to explain the cause or source of the delusion to give a more complete and informative picture.
Common error
Avoid using "become deluded" to describe someone making a simple mistake or misjudgment. Delusion implies a deep-seated and persistent false belief, not just a momentary lapse in judgment.
Source & Trust
90%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "become deluded" functions as a verb phrase indicating a process of transitioning into a state of delusion. Ludwig AI confirms its usability in written English. It suggests a change in perception, where someone starts adopting false beliefs.
Frequent in
News & Media
80%
Academia
10%
Wiki
5%
Less common in
Formal & Business
1%
Encyclopedias
1%
Science
1%
Ludwig's WRAP-UP
In summary, the phrase "become deluded" effectively describes a gradual shift into a state of false belief or detachment from reality. According to Ludwig AI, it is grammatically correct and suitable for use in written English. While not extremely common, its appearance in reputable sources like The New York Times and The Guardian indicates its acceptability in news and media as well as some academic contexts. When using this phrase, it's important to differentiate delusion from simple mistakes and provide context about the cause of the delusion. Alternatives such as "fall into delusion" or "lose touch with reality" can be used depending on the specific nuance you want to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
fall into delusion
Focuses on the action of entering a state of delusion.
be led astray
Emphasizes the influence of external factors in causing the delusion.
lose touch with reality
Highlights the detachment from what is real or true.
develop false beliefs
Specific to forming beliefs not based on truth or fact.
grow misguided
Indicates a gradual shift towards flawed judgment or understanding.
become deceived
Stresses the action of being tricked or misled.
be under an illusion
Implies being controlled by a false perception.
descend into fantasy
Highlights movement from reality to imaginary or unrealistic scenarios.
embrace illusion
Emphasizes willful choosing the false beliefs.
succumb to deception
Highlights submission to the deception.
FAQs
What does "become deluded" mean?
The phrase "become deluded" means to gradually start believing in things that are not true or real, often losing touch with reality.
How can I use "become deluded" in a sentence?
You can use "become deluded" to describe someone who starts to have false beliefs, as in, "Over time, he "fell into delusion" about his importance to the company."
What are some alternative ways to say "become deluded"?
Alternatives include phrases like "fall into delusion", "lose touch with reality", or "grow misguided".
Is it more appropriate to say "become deluded" or "be deluded"?
"Become deluded" describes a process of transitioning into a state of delusion, while "be deluded" describes being in that state. The choice depends on whether you want to emphasize the transition or the state of delusion.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
90%
Authority and reliability
4.1/5
Expert rating
Real-world application tested