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illusion

Line breaks: il¦lu|sion
Pronunciation: /ɪˈluːʒ(ə)n
 
/

Definition of illusion in English:

noun

1An instance of a wrong or misinterpreted perception of a sensory experience: stripes embellish the surface to create the illusion of various wood-grain textures
More example sentences
  • Hallucinations and illusions are disturbances of perception that are common in people suffering from schizophrenia.
  • The intoxicated state is characterized by illusions, visual hallucinations and bodily distortions.
  • They also experienced visual illusions such as real objects appearing to move or pulsate.
Synonyms
mirage, hallucination, apparition, phantasm, phantom, vision, spectre, fantasy, figment of the imagination, will-o'-the-wisp, trick of the light;
1.1A deceptive appearance or impression: the illusion of family togetherness
More example sentences
  • Unfortunately, Britain and Europe are all too eager to pretend that such illusions are reality.
  • The progress of the film is a progress through illusion and deception toward reality and truth.
  • However, you will live in a metaphysical world, where reality and illusions will be so skewed that they will appear to be identical.
Synonyms
appearance, impression, imitation, semblance, pretence, sham;
false appearance, deceptive appearance, deception, misperception
1.2A false idea or belief: he had no illusions about the trouble she was in
More example sentences
  • Man and house are thus a perfect match, as all the characters trapped in their own illusions and false expectations of Sancher end up more hurt than healed.
  • Our world will appear to crumble as we know it, as distractions, false voices, illusions and misconceptions will be taken away from us.
  • Believing that our beliefs are illusions, however, is self-refuting.
Synonyms
delusion, misapprehension, misconception, deception, false impression, mistaken impression;
fallacy, error, misjudgement, fancy

Origin

Middle English (in the sense 'deceiving, deception'): via Old French from Latin illusio(n-), from illudere 'to mock', from in- 'against' + ludere 'play'.

More
  • The first sense recorded for illusion was ‘deception, attempt to fool’. It came via Old French from Latin illudere ‘to mock, ridicule, make sport of’, from in- ‘against’ and ludere ‘play’. The prime modern sense of ‘a false idea or belief’ dates from the late 18th century.

Phrases

be under the illusion that

1
Believe mistakenly that: the world is under the illusion that the original painting still hangs in the Winter Palace
More example sentences
  • ‘No one should be under the illusion that because a plan exists in one form today that it will be that way forever,’ he said.
  • The Popular Unity's supporters were under the illusion that once in power it would fulfil the promise of profound political and socio-economic change.
  • Progressives have been under the illusion that if only people understood the facts, we'd be fine.

be under no illusion (or illusions)

2
Be fully aware of the true state of affairs.
Example sentences
  • She says she has been greatly impressed with the efficiency of the Dundee operation but is under no illusions about the challenges facing a factory on the northern fringes of Europe.
  • But I'm under no illusions, it could be taken away at any point, so I just grab it with both hands.
  • The 35-year-old is under no illusions about his situation.

Derivatives

illusional

1
adjective
Example sentences
  • The illusional architecture was then painted by Orazio's associate, Agostino Tassi, a master of perspective, who had been engaged to teach that art to Artemisia.
  • Anyway, we know the extent of Pennyn's powers is at least illusional.

illusionary

2
adjective
Example sentences
  • Liberties would be discarded to seek illusionary security; commerce would grind to a halt under the burden of regulation and continual emergency.
  • Dreams pervade the play, giving it an illusionary quality and heightening the sense of dark hilarity that frequently has the audience hysterical with laughter.
  • The momentary pain of a sting gives way to an illusionary floating feeling that lasts six to eight hours.

Definition of illusion in:

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