Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An erroneous perception of reality.
- n. An erroneous concept or belief.
- n. The condition of being deceived by a false perception or belief.
- n. Something, such as a fantastic plan or desire, that causes an erroneous belief or perception.
- n. Illusionism in art.
- n. A fine transparent cloth, used for dresses or trimmings.
Century Dictionary and Cyclopedia
- n. That which illudes or deceives; an unreal vision presented to the bodily or mental eye; deceptive appearance; false show.
- n. Specifically In psychology, a false perception due to the modification of a true perception by the imagination: distinguished from false appearances due to the imperfection of the bodily organs of sense, such as irradiation, and from hallucinations, into which no true perception enters. See hallucination, 2.
- n. The act of deceiving or imposing upon any one; deception; delusion; mockery.
- n. A thin and very transparent kind of tulle.
- n. In the pictorial arts, an imitation of the appearance of nature which is intended to create the impression of reality.
Wiktionary
- n. countable Anything that seems to be something that it is not.
- n. countable A misapprehension; a belief in something that is in fact not true.
- n. countable A magician’s trick.
- n. this sense?) (uncountable) The fact of being an illusion (in any of the above senses).
GNU Webster's 1913
- n. An unreal image presented to the bodily or mental vision; a deceptive appearance; a false show; mockery; hallucination.
- n. Hence: Anything agreeably fascinating and charming; enchantment; witchery; glamour.
- n. (Physiol.) A sensation originated by some external object, but so modified as in any way to lead to an erroneous perception; as when the rolling of a wagon is mistaken for thunder.
- n. A plain, delicate lace, usually of silk, used for veils, scarfs, dresses, etc.
WordNet 3.0
- n. an erroneous mental representation
- n. an illusory feat; considered magical by naive observers
- n. something many people believe that is false
- n. the act of deluding; deception by creating illusory ideas
Etymologies
- Middle English, from Old French, from Late Latin illūsiō, illūsiōn-, from Latin, a mocking, irony, from illūsus, past participle of illūdere, to mock : in-, against; + lūdere, to play. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Of course the symptoms are occurring: the term illusion refers to our interpretation of the meaning of the physical symptoms, not the existence of physical symptoms per se.”
“It is not, however, clear that the term illusion is justified; for this supposes a distinction between truth and error-a distinction which has no meaning for the genuine pantheist; all our judgments being the utterance of the One that thinks in us, it is impossible to discriminate the true from the false.”
“Murray, like nearly everyone else, could not solve the riddle posed by Nadal's blend of power, hustle and desire: a crucial word that he translates directly from the Spanish when he speaks English, using the term "illusion.”
“In evincing the impossibility of delusion, he makes no sufficient allowance for an intermediate state, which I have before distinguished by the term illusion, and have attempted to illustrate its quality and character by reference to our mental state when dreaming.”
“Photography flattens sculpture and stills its spatial violence, but Smith found that it also exposed new aspects of what he called the 'illusion of form.”
“I'm saying that you're moronic AWOL argument has been thoroughly blasted out of the water, and your persistance of this illusion is amazing.”
“As in painting, so more particularly in sculpture, that imitation of nature which we call illusion, is in no respect its excellence, nor indeed its aim.”
Blackwood's Edinburgh Magazine — Volume 53, No. 328, February, 1843
“A special word is necessary at this point regarding the term illusion, as it is used here and elsewhere.”
“The money illusion is a fraud, but seems really hard wired.”
“Another right-wing illusion is that there is no yoke.”
Lists
These user-created lists contain the word ‘illusion’.
-
GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
-
Psychology
Chapter 1
rigorous, occurrence, maze, divers, intellectual, expansion, all in all, sensation, introspection, radical, orientation, nurture and 174 more...
-
Which see
A list of words with definitions containing the phrase "which see."
moteur, fancy, grass, frog, Art, illusion, battleship, duck, beaver, Seder, clam, zythiaceæ and 118 more...
-
ghost
This is Ghost List 2 ( the kind that go 'boo!' ) :P
( open list )
more:
http://www.wordnik.com/lists/macabrephantom, spectral, specter, spectre, spooky, poltergeist, haunt, spirit, banshee, cryptic, shadow, phantasm and 311 more...
-
nytimes
rigor, endemic, nonchalance, aspire, illusion, doozie, Herculean, cacophony, rectify, chip in, proponent, vanguard and 16 more...
-
dream words
( randomness, dreams, creativity )
words or phrases related to all things dreamyphantasmagoria, illusion, imagination, slumber, sky, moon, cloud nine, lucid, fantasy, creativity, somnambulism, dreamer and 39 more...
-
Incorrectum
Mistakes, Errors and Accidents.
nihilartikel, solecism, bevue, corrigendum, acyrology, cacoepy, fido, hamartithia, jeofail, mésalliance, mumpsimus, pseudochronism and 63 more...
-
big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6691 more...
-
Dream Words
phantasmagoria, illusion, imagination, ingenuity, slumber, bliss, airy, clouds, star, sky, moon, cloud nine and 2 more...
-
ChortleGiggleSnort
Significant Words- Guiding you on your path to Snazzibility
flimsy, feeble, ranting, ramble, narky, snazzy, yoghurt, bulbous, pustule, globulous, geranium, megalomaniac and 521 more...
-
Pretty Words
Words that sound pretty.
ethereal, ephemeral, iridescent, shimmer, wisp, whisper, charisma, crescent, azure, mystery, fantasy, miracle and 142 more...
-
Writing
immunity, reaching, ingenuity, divinity, affinity, kaleidoscopes, statistics, hope, pictures, linguistics, magenta, mist and 222 more...
-
Mr. Wilson's Cabinet of Wonder
Being a list of words and phrases from Mr. Wilson's Cabinet of Wonder: Pronged Ants, Horned Humans, Mice on Toast, and Other Marvels of Jurassic Technology, by Lawrence Weschler.
wonder, spore, Madalena Delani, ant, rampant, obliscence, Korsakov's syndrome, memory, illusion, time, Cone of Obliscence, Plane of Experience and 95 more...
-
The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
-
The Most Beautiful Words in the Engli...
mellifluous, obscure, star-crossed, undulating, solstice, messiah, audacious, solace, twilight, wanderlust, lovelorn, byzantine and 219 more...
-
Beknownst1981's list
I love words, especially the ones I make up with my friends.
translucent meat ..., beknownst (knew), plethora, curmudgeon, wanderlust, actually, differentiate, bearded, hobbit feet, female, sexy time, librarian and 220 more...
Tweets
Looking for tweets for illusion.

yarb No, the other way round! Only the past is real. The present is a sensation, the future a diversion. Oct 5, 2012
chasdavy The nonexistent "Then" and the nonexistent "Later"are illusions / constructs of the mind that are constantly mistaken for the real thing : the incredible, concrete "Now"
Oct 5, 2012
chasdavy The nonexistent "Then"and the nonexistent "Later"are
The nonexistent "Then" and the nonexistent "Later"are illusions / constructs of the mind that are constantly mistaken for the real thing : the incredible "Now"
Oct 5, 2012
jmjarmstrong JM proposes that we are able to walk on air, but only as long as our illusion supports us Aug 25, 2011
ilrak Michael: So .. this is the magic trick, huh?
Gob: "Illusion," Michael. A trick is something a whore does for money. ... or candy. Apr 6, 2009
myth Illusion is the first of all pleasures. - Oscar Wilde Mar 7, 2009
bilby "Ford," said Arthur, "would you please tell me what the hell is going on?"
"Drink up," said Ford, "you've got three pints to get through."
"Three pints?" said Arthur. "At lunchtime?"
The man next to Ford grinned and nodded happily. Ford ignored him. He said, "Time is an illusion. Lunchtime doubly so."
- Douglas Adams, 'The Hitchhiker's Guide To The Galaxy'. Feb 8, 2009