Allusion and Illusion: Definitions and Examples

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  • 0:07 Allusion & Illusion
  • 0:27 Illusion
  • 1:20 Allusion
  • 3:12 Allusion in Poetry
  • 4:51 Allusion in Fiction
  • 6:09 Lesson Summary
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Lesson Transcript
Instructor: Christopher Curley
Allusions and illusions have little in common besides the fact that they sound similar. Learn the difference between the two and how allusions are an important part of literature and writing - and how to spot them in text.

Allusion and Illusion: Definitions and Examples

Illusion and allusion; they're not actually closely related to each other, but they sound so similar, students often mix the two up. Allusion (note the soft 'a') is a literary term, while an illusion is something that a literary character might experience. Let's take a look at the two.


When your senses deceive you, you've got an illusion, which is a false representation of something - literally seeing (or hearing, tasting, touching, smelling) something that isn't there. 3-D movies are a kind of illusion, in that they give a picture the appearance of depth (three dimensions) when the reality is that the image is flat. A mirage, like the classic example of thinking you see water in the desert, is also a kind of illusion, as is this famous eye teaser.

The exercise above works because we see with our brain rather than with our eyes. Our eyes only receive an image while our brain is responsible for interpreting that image. By objective measure - time to break out your ruler - these two middle circles are equal in size, but the circles that surround them trick the brain into giving them the appearance of difference sizes; that is, the illusion of inequality.


An allusion, on the other hand, isn't a trick at all, but rather an indirect or glancing reference to another work, person, place or event. If it helps, remember that illusion usually revolves around an image ('I' for illusion), while allusions can refer to almost anything. Aside from sounding alike, the two don't mean similar things at all! For example, if I say, 'This professor is colder than Darth Vader,' I'm alluding to a character from the Star Wars movies. Likewise, if I say 'When it comes to winning that scholarship, David is as relentless as Ahab,' I'm alluding to Captain Ahab, the protagonist in Herman Melville's Moby Dick, and using that allusion to draw a comparison between Ahab's complete devotion to capturing the whale in the novel and David's pursuit of success in real life.

Allusions are sometimes easy to miss in a text because they require you, the reader, to know and understand the thing being referenced. If you didn't know who Ahab was, for instance, that allusion would fly right over your head, and thus you'd miss a critical comparison the writer was making about David's character. On the other hand, allusions are useful for writers because they're a kind of shorthand that allow them to make quick, indirect references to something larger that's part of the cultural consciousness, without having to go into an in-depth explanation of how the thing being alluded to is like the writer's subject.

Moreover, when an allusion clicks with a reader - that could be you, or your audience if you're the one writing the allusion - it creates a little tingle of pleasure as the reader recognizes the reference and connects it back to the passage. Human brains love making connections; they're quite literally built for it. When you use an allusion successfully, your writing is stronger as a result.

Allusion in Poetry

Let's look at a couple of examples of allusion in poetry. Check out this excerpt from the poem, 'Land of the Discount Price, Home of the Brand Name,' by Harryette Mullen.

I've clipped a terrific recipe

from Sunday's paper. A Betsy Ross

rectangular cake covered with

strawberries, blueberries, and Cool Whip,

with a coupon for the Cool Whip.

Do you know what a 'Betsy Ross rectangular cake' is? Well, if you understood the allusion - that Betsy Ross was the creator of the first American flag - Mullen's meaning would be clear. This is further reinforced when you see that strawberries, Cool Whip, and blueberries are the colors of the flag: red, white, and blue. So, we've got a flag cake.

Here's another, perhaps more difficult example, from the first few lines of 'Portrait of a Lady,' by William Carlos Williams.

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