adj.
Pronunciation: ( ˌ )im- ' pä-s ə -b ə l
Function: adjective
Etymology: Middle English, from Anglo-French & Latin; Anglo-French, from Latin impossibilis, from in- + possibilis possible
Date: 14th century
1 a : incapable of being or of occurring b : felt to be incapable of being done, attained, or fulfilled : insuperably difficult <an impossible deadline>
2 a : extremely undesirable : UNACCEPTABLE b : extremely awkward or difficult to deal with <the actor was impossible on the set>
– im · pos · si · ble · ness noun