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1. Not anticipated: We experienced some unanticipated problems.
2. Not having been expected; unexpected: unanticipated guests. See Usage Note at anticipate.

un′an·tic′i·pat′ed·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


in an unanticipated or unexpected manner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
When they go unanticipatedly long at WrestleMania, we could have handled that load but we would have needed another hour.
For patients who were unanticipatedly admitted to the hospital, the inpatient surgical service notes were reviewed for evidence of TNS.
Her words unanticipatedly take us to an idyllic moment out of the realm of perennial turmoil.