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1. A totally ignorant person; an ignoramus.
2. An anti-intellectual.
3. An agnostic.
4. Know-Nothing A member of a political party in the United States during the 1850s that was antagonistic toward recent immigrants and Roman Catholics.
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.
informal derogatory an ignorant person
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. an ignorant or totally uninformed person; ignoramus.
2. (caps.) a member of a U.S. political party of the 1850s, whose aim was to exclude Catholics and the foreign-born from political participation: so called because members professed ignorance of the party's activities.
3. an agnostic.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.