- not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- something that is unpredictable: the unpredictables of life.
Origin of unpredictable
SynonymsSee more synonyms for unpredictable on Thesaurus.com
1. erratic, fitful, variable, uncertain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unpredictably
When trouble came, however, it came suddenly, unpredictably, and in the form of a very basic mechanism.The Exemplary Plane at the Heart of the MH370 Mystery
March 27, 2014
The kick was predictably short, and Auburn unpredictably returned it for a touchdown.Alabama Coach Nick Saban’s Folly: Great Coaches Protect Their Players
December 2, 2013
Greenbaum says Michael Hostetter, the most introverted mascot of the bunch, is also the most unpredictably exciting.Hulu is the New Netflix: Why You Should Watch ‘Behind the Mask’
October 30, 2013
Unpredictably, he has also worked for, of all things, the road crew of Australian hip-hop/reggae artist Dub FX.Demi Moore Might Be Dating an Australian Pearl Diver and He Is Amazing
May 10, 2013
- not capable of being predicted; changeable
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for unpredictably
Online Etymology Dictionary, © 2010 Douglas Harper