is under illusion vs has illusion

Both phrases are correct, but they are used in different contexts. 'Is under illusion' is used to indicate that someone is currently experiencing a false belief or misconception. On the other hand, 'has illusion' is used to suggest that someone possesses or holds a false belief or misconception. They are not directly comparable as they convey slightly different meanings.

Last updated: April 04, 2024 • 184 views

This phrase is correct and commonly used in English to indicate that someone is currently experiencing a false belief or misconception.

"is under illusion"

This phrase is used to describe a situation where someone is currently under the influence of a false belief or misconception.

Examples:

He is under the illusion that he can fly.
She is under the illusion that everything will work out perfectly.

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No-one is under any illusion that the situation in Belarus is ideal.
Neither of us is under any illusion about the other, I think.
But even if the government is willing to throw some crumbs to the CFDT, it is under no illusions about the outcome of these negotiations.
The rapporteur, who highlights the importance of the aspects of trust, proximity and personal relations for the consumer, is under no illusions.
Maybe the Pope is under the illusion of having a great success, but you should realize that this success is very largely based on ambiguity.
It is you who live under illusion, not me.
The Commission is under no illusion as to the difficulties involved here: it does not envisage the consultation process leading to a new regulation before the end of 2010.
In terminal illness such a cancer, this psychological aspect is receiving attention and treatment, as it is right and logical. Nobody is under the illusion that it can invert the fatal course of the illness.
Whoever thinks that the British Empire or the French and German powers can still exist is living under a vain illusion.
Nobody is labouring under the illusion that we can move a long way from that proposal: we cannot move away from it at all.
Thus, control, in any thorough sense, is both illusory and limited.Thinking we can and should be in control is to live under an illusion, and living under such an illusion is stressful and frustrating.
We should be no under illusions, however: the method by which these summits are organised is now in crisis.
They're not under any illusions about what's happening.
And nobody in this room should be under any illusions on that count.
I'm under no illusion about that.
Believe me, I'm... Under no illusions about my odds.
People are living under the illusion that the American dream is working for them.
Neither of us were under any illusions when I was hired.
Some people are still operating under the illusion that Sullivan can keep the seat.
I am under no illusion about the difficulty of my task.

Alternatives:

is under a false impression
is mistaken
is deluded

This phrase is correct and commonly used in English to suggest that someone possesses or holds a false belief or misconception.

"has illusion"

This phrase is used to indicate that someone holds a false belief or misconception, rather than actively experiencing it.

Examples:

He has the illusion of grandeur.
She has illusions about her abilities.

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Future-Man - A superhero that has illusion casting abilities and telekinesis.
She has no illusions and she has no great hopes for the two of us.
You need to believe that I've got a problem so that your betrayal has the illusion of nobility.
We still have a great deal of difficult ground to cover, no one has any illusions about this.
«This is a complex country that needs to be treated with caution as if it were a bomb. Lula has no illusions.
The need for illusion has passed.
The need for illusion has passed.
The Thatcher illusion has also been useful in revealing the psychology of face recognition.
The Greek government has fed the illusion that an agreement was possible.
She has no illusions and she has no great hopes for the two of us.
SHE HAS AN ILLUSION AND YOU HAVE REALITY.
And what's worse, she has the illusion that she's in love with you.
Soundstage is deep and wide, and has some illusion of height too, but I remember the top of the range Exquisite was even better in this respect.
Second Lieutenant Wardi Lebrón Cruz has no illusions; she knows that such violence is part of Dominican 'macho' culture and that the fight is on many levels.
The only difference with the parliamentarian "democracy" is that the modern slave has the illusion of choosing the master he will obey.
Supermarkets, pharmacy, Tabaccheria, bars and a very good pizzeria (if you ever feel like it, or has an illusion of the children) can easily be reached on foot.
The financial and economic crisis of recent years has dispelled illusions that the banks know their own risk best and are able to determine security requirements on their own.
He has the illusion to tame it and in the end he's attracted by it.
Pope Benedict is not only a man of deep theological wisdom; he also brings to the Petrine ministry extensive pastoral experience. He has no illusions about the serious challenges confronting local ecclesial communities today.
Sitting at a table in the Café de la Gare, 35-year-old Sophie Mertenat has no illusions about the vote, however.

Alternatives:

holds a false belief
possesses a misconception
believes falsely

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is under illusion vs has illusion