impredictably

English

Etymology

impredictable +‎ -ly

Adverb

impredictably (comparative more impredictably, superlative most impredictably)

1. In a way that cannot be predicted.

   Synonym: unpredictably

   • 1952, Annual report of the Chief of Engineers U.S. Army:

     At best, a considerable time elapses between authorization and land acquirement, during which land values may vary impredictably.