[ ahy-ern-sahyd ]
/ ˈaɪ ərnˌsaɪd /


a strong person with great power of endurance or resistance.
(initial capital letter) an epithet or nickname of Edmund II.
(initial capital letter) Usually Ironsides.
  1. (used with a singular verb) a nickname of Oliver Cromwell.
  2. the soldiers serving under Cromwell.
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

Definition for ironside (2 of 2)

Edmund II

or Eadmund II


Ironside, a.d. c980–1016, English king 1016: defeated by Canute. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ironside

British Dictionary definitions for ironside (1 of 2)


/ (ˈaɪənˌsaɪd) /


nickname of Edmund II of EnglandSee Edmund II

British Dictionary definitions for ironside (2 of 2)

Edmund II


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