• synonyms


See more synonyms on Thesaurus.com
  1. a strong person with great power of endurance or resistance.
  2. (initial capital letter) an epithet or nickname of Edmund II.
  3. (initial capital letter) Usually Ironsides.
    1. (used with a singular verb)a nickname of Oliver Cromwell.
    2. the soldiers serving under Cromwell.
  4. ironsides, (usually used with a singular verb)
    1. an ironclad.
    2. Eastern U.S.scup.

Origin of ironside

Middle English word dating back to 1250–1300; see origin at iron, side1

Edmund II

or Eadmund II

  1. Ironside, a.d. c980–1016, English king 1016: defeated by Canute.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ironside

Contemporary Examples

Historical Examples

British Dictionary definitions for ironside


  1. nickname of Edmund II of EnglandSee Edmund II

Edmund II

  1. called Edmund Ironside. ?980–1016, king of England in 1016. His succession was contested by Canute and they divided the kingdom between them
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 ironside


name given to a man of great hardihood or bravery, c.1300, first applied to Edmund II, king of England (d.1016), later also to Oliver Cromwell and his troops. Old Ironsides as a nickname of U.S.S. "Constitution" dates from that ship's defeat of H.M.S. "Guerriere" on Aug. 19, 1812, in the War of 1812.

Online Etymology Dictionary, © 2010 Douglas Harper