imprevisible

comparative more imprevisible · superlative most imprevisible

1. rareunforeseeable

   From these two points there emerges a third: The free act, considered in its human cause is imprevisible.

   1966, Gerard Smith, Freedom in Molina, Loyola University Press, page 66

   2 more examples

   And the name or the phrase once started on its career is beyond control or recall ; and what it may grow into is imprevisible.

   1901, J. Herbert Williams, “Development”, in W. Spooner, editor, The Dublin Review, volume 128, London: The Westminster Press, page 292

   […] there intervene periods of rest or repose, during which no food is taken, unless it be every now and then from time to time an occasional snack, quick drink or light collation, rendered if not indispensable at least welcome by an unforeseen acceleration of the metabolic exchanges due to circumstances of an imprevisible kind, […]

   1953, Samuel Beckett, Watt, [Paris]: Olympia Press, →OCLC

   Antonyms: foreseeable, previsible