UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪmˌpɒsəˈbɪlɪti/

US:USA pronuncation: IPAUSA pronuncation: IPA/ɪmˌpɑsəˈbɪlɪti/

US:USA pronunciation: respellingUSA pronunciation: respelling(im pos′ə bili tē, im′pos-)

Inflections of 'impossibility' (nnoun: Refers to person, place, thing, quality, etc.): nplplural noun: Noun always used in plural form--for example, "jeans," "scissors.": impossibilities

WordReference Random House Unabridged Dictionary of American English © 2020
im•pos•si•bil•i•ty  (im pos′ə bili tē, im′pos-),USA pronunciation n., pl.  -ties  for 2.
  1. condition or quality of being impossible.
  2. something impossible.
  • Late Latin impossibilitās. See im-2, possibility
  • Middle English impossibilite 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
impossibility /ɪmˌpɒsəˈbɪlɪtɪ ˌɪmpɒs-/ n ( pl -ties)
  1. the state or quality of being impossible
  2. something that is impossible
WordReference Random House Learner's Dictionary of American English © 2020
im•pos•si•ble /ɪmˈpɑsəbəl/USA pronunciation   adj. 
  1. not possible:Traveling faster than the speed of light is impossible.[It + be + ~ (+ for + object) + to + verb]It's impossible (for anything) to travel faster than the speed of light.
  2. extremely difficult:in the impossible situation of having to increase output, cut workers, and reduce costs.
  3. completely impractical:an impossible plan.
  4. hopelessly unsuitable, undesirable, or objectionable:The kids have been impossible all day.
im•pos•si•bil•i•ty /ɪmˌpɑsəˈbɪlɪti/USA pronunciation  n. [countable]the impossibility of arriving somewhere before you start to go there.
im•pos•si•bly, adv. [before an adjective or adverb]The jet shot up into the sky impossibly fast.

WordReference Random House Unabridged Dictionary of American English © 2020
im•pos•si•ble  (im posə bəl),USA pronunciation adj. 
  1. not possible;
    unable to be, exist, happen, etc.
  2. unable to be done, performed, effected, etc.:an impossible assignment.
  3. incapable of being true, as a rumor.
  4. not to be done, endured, etc., with any degree of reason or propriety:an impossible situation.
  5. utterly impracticable:an impossible plan.
  6. hopelessly unsuitable, difficult, or objectionable.
im•possi•ble•ness, n. 
im•possi•bly, adv. 
  • Latin impossibilis. See im-2, possible
  • Middle English 1250–1300
    • 6.See corresponding entry in Unabridged unbearable, intolerable, unmanageable.

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