impossible Meaning in Cambridge American English Dictionary
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Meaning of "impossible" - American English Dictionary

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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)
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