or dread·naught

See more synonyms for dreadnought on Thesaurus.com
  1. a type of battleship armed with heavy-caliber guns in turrets: so called from the British battleship Dreadnought, launched in 1906, the first of its type.
  2. an outer garment of heavy woolen cloth.
  3. a thick cloth with a long pile.

Origin of dreadnought

First recorded in 1800–10; dread + nought
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dreadnaught

Historical Examples of dreadnaught

  • The dreadnaught will become an apparition, a witch, the Devil in skirts.

  • What do you mean by hunting polar bears all alone, Dreadnaught?

    Historic Boyhoods

    Rupert Sargent Holland

  • What do you think this is—a dreadnaught with full equipment?

    Boy Scouts in the North Sea

    G. Harvey Ralphson

  • Scotty patrolled as lookout as though serving on a dreadnaught.

  • Theres not a dreadnaught among them that can match the guns of our flagship!

British Dictionary definitions for dreadnaught



  1. a battleship armed with heavy guns of uniform calibre
  2. an overcoat made of heavy cloth
  3. slang a heavyweight boxer
  4. a person who fears nothing
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 dreadnaught



"battleship," literally "fearing nothing," from dread (v.) + nought (n.). Mentioned as the name of a ship in the Royal Navy c.1596, but modern sense is from the name of the first of a new class of British battleships mainly armed with big guns of one caliber, launched Feb. 18, 1906.

Online Etymology Dictionary, © 2010 Douglas Harper