easy
The mirror created the illusion of a larger room.
What does Illusion mean?
An illusion is a false belief or a misleading appearance.
Dictionary definition
A false idea or belief, or an appearance that makes something seem different from how it really is.
Example sentences
Illusion in a sentence
easy
The magician used light and movement to create an illusion.
medium
We were under the illusion that the museum stayed open late.
hard
The calm surface gave an illusion of safety even though the current was strong.
Writing practice
Ready to write your own? Study the examples, then practice illusion in a sentence with Sentence Builder checklist feedback.
Commonly confused words
Allusion or illusion?
Compare the meanings, then choose a word for each new sentence.
Allusion
A brief reference to another person, event, work, or idea.
In a sentence The title is an allusion to an ancient myth.
Illusion
A false belief or an appearance that misleads.
In a sentence The mirror created the illusion of extra space.
Spot the difference An allusion is a reference to something else. An illusion is a false belief or misleading appearance.
Which word fits?
Choose allusion or illusion for each blank. Say your answer, then check why it fits.
1The poem includes an ___ to a famous fairy tale.
Check answer 1
allusion — The poem points toward another story, so allusion is correct.
2Painted shadows created the ___ of a deep tunnel.
Check answer 2
illusion — The painting makes the tunnel seem real, so illusion is correct.
Make it your ownTry the word in a sentence about your day.
Write a sentence with illusionQuick practice
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Practice the meaning of Illusion
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
Which meaning belongs to illusion?
An illusion can mislead the mind or make something appear different from reality.
Practice 2
Choose the word that completes the sentence: “The painted doorway created the ___ of another room.”
The painting creates a misleading appearance, so illusion is correct.
Practice 3
Which sentence uses illusion correctly?
The quiet led to a belief that might not match reality.
Practice complete
Nice work!
You completed 3 questions.
Pronunciation coach
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Illusion
Voice settings
Sounds like
ih · loo · zhun · strongest beat: loo
Tap each sound part, then blend the whole word together.
Learn
WordIllusion.
Partnoun.
MeaningIllusion means An illusion is a false belief or a misleading appearance.
ExampleExample: The mirror created the illusion of a larger room.
Word breakdown
3 syllables. Say each part, then blend the word.
- Syllables
- ih · loo · zhun
- Strongest beat
- loo
- Ending
- zhun
- Tip
- Put a little extra energy on loo.
Your turn
Say Illusion
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Nice work—you practiced illusion.
Synonyms
Words like Illusion
Antonym review
Does Illusion have an opposite?
Reality and truth can contrast with an illusion in context, but illusion includes both misleading appearances and mistaken beliefs, so neither is a precise opposite for every sense.
Synonym practice
Want to practice illusion synonyms in context? Try a Synonym Search question like "The mirror trick created an illusion on the stage," then compare close word choices. Practice illusion synonyms.
Word family
Illusion word family
Base word
illusion
noun
illusions
More than one false belief or misleading appearance.
adjective
illusory
Seeming real or true but actually false.
noun
illusionist
A performer who creates stage illusions.
adjective
illusionistic
Designed to create a convincing illusion, especially in art.
Related words
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Student support
Understand Illusion
Hint for students
Illusion has an i like image. It can be something misleading that you see or something false that you believe.
Common mix-up
Illusion is not a reference. Use allusion for a brief reference to another person, event, work, or idea.
Try it in class or at home
Sort examples into visual appearance, false belief, and stage-magic illusion. For each one, identify what seems true and what is actually true. Finish by explaining why an allusion belongs in a different category.
Teacher prompt
Compare a visual illusion with being under the illusion that a task is easy. What is misleading the senses in one example and the mind in the other?
Word Wheel
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Learning activities
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Synonym Search
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