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1. Bound with iron.
2. Rigid and unyielding: an ironbound moral code.
3. Bound with rocks and cliffs: ironbound coasts.
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.
1. bound with iron
2. unyielding; inflexible
3. (of a coast) rocky; rugged
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. bound with iron.
2. rock-bound; rugged.
3. rigid; unyielding.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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