impossibility

Word parts

impossible + -ity

Pronunciation

• IPA ^(key): /ɪmˌpɒsəˈbɪləti/

• Audio (US)

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Noun

Singular impossibility

Plural impossibilities

1. (countable & uncountable) The impossibility of something is the quality of it being impossible.

   The law of conservation of energy proves the impossibility of perpetual motion.

2. (countable) An impossibility is something that cannot happen.

   Getting to work on time in such heavy traffic is an impossibility.