Definition of impossible in English:

impossible

Syllabification: im·pos·si·ble
Pronunciation: /imˈpäsəbəl
 
/

adjective

Origin

Middle English: from Old French, or from Latin impossibilis, from in- 'not' + possibilis (see possible).

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space