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.

Nearby words

  1. ironmaster,
  2. ironmonger,
  3. ironmongery,
  4. irons,
  5. irons in the fire, too many,
  6. ironsides,
  7. ironsmith,
  8. ironstone,
  9. ironton,
  10. ironware

Origin of ironside

Middle English word dating back to 1250–1300; see origin at iron, side1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ironsides

British Dictionary definitions for ironsides



a person with great stamina or resistance
an ironclad ship
(often capital) (in the English Civil War)
  1. the cavalry regiment trained and commanded by Oliver Cromwell
  2. Cromwell's entire army



nickname of Edmund II of EnglandSee Edmund II
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 ironsides


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