What is another word for impossible?

Synonyms for impossible
ɪmˈpɒs ə bəlim·pos·si·ble

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term impossible.


  1. impossiblenoun


  2. impossiblenoun

    not possible, not able to be done.


  3. impossibleadjective

    of a person, very difficult to deal with.

    You never listen to a word I say - you're impossible!


Princeton's WordNet

  1. impossibleadjective

    something that cannot be done

    "his assignment verged on the impossible"

    viable, manageable, attainable, doable, affirmable, tolerable, feasible, accomplishable, executable, thinkable, achievable, workable, mathematical, realizable, possible, contingent, assertable, practicable, come-at-able

  2. impossibleadjective

    not capable of occurring or being accomplished or dealt with

    "an impossible dream"; "an impossible situation"

    unimaginable, insufferable, inconceivable, unacceptable, out of the question, unsufferable

    achievable, workable, viable, attainable, executable, manageable, contingent, feasible, thinkable, accomplishable, realizable, practicable, possible, assertable, doable, affirmable, come-at-able, tolerable, mathematical

  3. impossible, inconceivable, out of the question, unimaginableadjective

    totally unlikely

    unimaginable, insufferable, inconceivable, unacceptable, out of the question, unsufferable

    achievable, come-at-able, possible, workable, manageable, feasible, affirmable, thinkable, accomplishable, tolerable, mathematical, practicable, assertable, realizable, attainable, executable, contingent, viable, doable

  4. impossible, insufferable, unacceptable, unsufferableadjective

    used of persons or their behavior

    "impossible behavior"; "insufferable insolence"

    unaccepted, insufferable, out of the question, unsufferable, unacceptable, unimaginable, inconceivable

    attainable, practicable, contingent, realizable, workable, accomplishable, executable, affirmable, possible, achievable, assertable, doable, viable, come-at-able, tolerable, manageable, mathematical, feasible, thinkable

Editors Contribution

  1. can't do

    not able to do

    the boy can't do the assighnment because it was impossible.

    Submitted by rinat on August 14, 2019  
  2. hard to achieve

    Submitted by anonymous on May 19, 2021  

Dictionary of English Synonymes

  1. impossibleadjective

    impracticable, unfeasible, unattainable, unachievable, not feasible, not possible, out of the question

Synonyms, Antonyms & Associated Words

  1. impossibleadjective

    impracticable, unfeasible, unattainable

How to pronounce impossible?

How to say impossible in sign language?

Words popularity by usage frequency


How to use impossible in a sentence?

  1. Andrzej Duda:

    Russia is blackmailing not only Germany, right now, Russia is blackmailing, in fact, the entire Europe, the fact that we're saying it is impossible to impose embargo on Russian gas, it is not possible to impose embargo on Russian oil right away.

  2. Van Seggelen:

    It's a continuing story, our concern is that it is impossible for the players to play a tournament in four weeks.

  3. Bob Babbitt:

    Super Bowl Sunday is a time to be inspired, following Landis as he works to overcome obstacles to further his love of baseball is near impossible to describe. It must be seen. We decided the Cooperstown area, so rich in baseball history, is the place where people will most appreciate the impact of baseball on this amazing story.

  4. Peter Boockvar:

    The Federal Reserve is in an impossible spot, one that they put themselves in, they are the architects of this relationship. Now they have to deal with the so-called break-up.

  5. Avi Katz:

    It's impossible to have a good idea without competition.

Translations for impossible

From our Multilingual Translation Dictionary

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"impossible." Synonyms.com. STANDS4 LLC, 2022. Web. 26 Jun 2022. <https://www.synonyms.com/synonym/impossible>.

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