illusion Meaning in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “illusion” in the English Dictionary

"illusion" in British English

See all translations

illusionnoun

uk   us   /ɪˈluː.ʒən/
C2 [C or U] an ​idea or ​belief that is not ​true: He had no illusions about his ​talents as a ​singer. I'm under no illusions (= I ​understand the ​truth) about the man I ​married. My ​boss is labouring under the illusion that (= ​wronglybelieves that) the ​project will be ​completed on ​time.C2 [C] something that is not really what it ​seems to be: A ​largemirror in a ​room can create the illusion ofspace. The ​impression of ​calm in the ​office is just an illusion.
(Definition of illusion from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"illusion" in American English

See all translations

illusionnoun [C]

 us   /ɪˈlu·ʒən/
an ​idea or ​belief that is not ​true, or something that is not what it ​seems to be: We have no illusions about how ​difficult the ​job will be. [+ that clause] I was under the illusion that ​trainsranfrequently on ​weekends (= I ​wronglybelieved this). They ​managed to ​create the illusion of ​space in a ​tinyapartment.
illusory
adjective  us   /ɪˈlu·sə·ri, -zə·ri/
Her ​fears were illusory.
(Definition of illusion from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “illusion”
in Korean 환상…
in Arabic وَهْم…
in Malaysian ilusi…
in French illusion…
in Russian иллюзия, обман, впечатление…
in Chinese (Traditional) 幻覺,幻想, 假像,錯覺…
in Italian illusione…
in Turkish hayal, hülya, kuruntu…
in Polish złudzenie, iluzja…
in Spanish ilusión…
in Vietnamese ảo tưởng…
in Portuguese ilusão…
in Thai ภาพหลอน, ภาพมายา, ภาพลวงตา…
in German die Täuschung…
in Catalan il·lusió…
in Japanese 錯覚…
in Chinese (Simplified) 幻觉,幻想, 假象,错觉…
in Indonesian ilusi…
What is the pronunciation of illusion?
Add Cambridge dictionaries to your browser to your website
Word of the Day

autumnal

typical of autumn

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More