What does dreadnought mean?
A dreadnought is a type of battleship that emerged at the start of the twentieth century, characterized by an armament made up entirely of large-calibre guns rather than a mix of heavy weapons and smaller secondary batteries. The name comes from HMS Dreadnought, a British warship launched in 1906 whose design was so far ahead of its contemporaries that existing battleships were immediately rendered outdated, and the term quickly became generic for ships of its kind. The word itself derives from an older English phrase meaning 'fear nothing.' The introduction of the dreadnought set off a fierce naval arms race, most notably between Britain and Germany in the years before the First World War, as nations competed to build these powerful vessels. Today the word is primarily of historical interest, appearing in writing about naval warfare, military technology, and the geopolitics of the pre-1914 era, where it evokes industrial might, rapid innovation, and international rivalry.
An early twentieth-century battleship armed entirely with large-calibre guns, following the design of HMS Dreadnought (1906).
"Germany responded to Britain's naval lead by laying down its own dreadnoughts."
Usually lowercase when referring to the class of ship; capitalized when referring to HMS Dreadnought itself.
(Historical) A person who fears nothing; a fearless individual.
"In older texts, a bold explorer might be described simply as a dreadnought."
This earlier sense is now largely obsolete.
Regular plural formation; used when referring to multiple battleships of this type or multiple fearless individuals in historical usage.
"Dozens of dreadnoughts anchored in the harbour before the fleet review."
One ship's launch in 1906 was so revolutionary that 'dreadnought' became the name for an entire era of naval arms racing — and every rival battleship on Earth was suddenly obsolete overnight.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dreadnought
The word 'dreadnought' combines 'dread' and 'nought,' literally meaning 'fear nothing,' and has been used since at least the seventeenth century for fearless people and things. Its modern prominence dates to 1906, when Britain's Royal Navy launched HMS Dreadnought, a battleship so advanced that her name became the standard term for her class of vessel. The element 'nought' traces back through Middle English to Old English 'nōwiht' ('no whit, nothing'), which also gives English 'naught' and 'naughty.'
How dreadnought is actually used
The word is chiefly historical today, used in discussions of naval history and early 20th-century warfare. It carries connotations of technological revolution and arms-race rivalry. The capitalized form refers specifically to HMS Dreadnought itself.
Easily confused with dreadnought
Dreadlocks are a hairstyle of matted or twisted hair, whereas a dreadnought is a heavily armed type of battleship.