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Definition of “impossible” - English Dictionary

"impossible" in American English

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impossibleadjective

us   /ɪmˈpɑs·ə·bəl/
  • impossible adjective (NOT POSSIBLE)

[not gradable] unable to exist, happen, or be achieved; not possible: an impossible goal [+ to infinitive] It’s almost impossible to get them to agree on anything.
  • impossible adjective (VERY DIFFICULT)

very difficult to deal with: Traffic at rush hour is just impossible.
(Definition of impossible from the Cambridge Academic Content Dictionary © Cambridge University Press)







"impossible" in British English

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impossibleadjective

uk   /ɪmˈpɒs.ə.bəl/ us   /ɪmˈpɑː.sə.bəl/
B1 If an action or event is impossible, it cannot happen or be achieved: It was impossible to sleep because of the noise. It seems impossible that I could have walked by without noticing her. He made it impossible for me to say no. She ate three plates of spaghetti and a dessert? That's impossible. I don't believe it!
C2 An impossible situation is extremely difficult to deal with or solve: It's an impossible situation - she's got to leave him but she can't bear losing her children.
C2 An impossible person behaves very badly or is extremely difficult to deal with: I had to leave the job because my boss was impossible. My niece is impossible when she's tired - you can't do anything to please her.

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impossibility
noun [C or U] uk   /ɪmˌpɒs.əˈbɪl.ə.ti/ us   /ɪmˌpɑː.səˈbɪl.ə.t̬i/
C2 What you're asking just can't be done - it's an impossibility.

impossiblenoun [S]

uk   /ɪmˈpɒs.ə.bəl/ us   /ɪmˈpɑː.sə.bəl/
(Definition of impossible from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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