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Synonyms

bastion

American  
[bas-chuhn, -tee-uhn] / ˈbæs tʃən, -ti ən /

noun

  1. Fortification. a projecting portion of a rampart or fortification that forms an irregular pentagon attached at the base to the main work.

  2. a fortified place.

    Synonyms:
    citadel, stronghold, bulwark, fort, fortress
  3. anything seen as preserving or protecting some quality, condition, etc..

    a bastion of solitude; a bastion of democracy.


bastion British  
/ ˈbæstɪən /

noun

  1. a projecting work in a fortification designed to permit fire to the flanks along the face of the wall

  2. any fortified place

  3. a thing or person regarded as upholding or defending an attitude, principle, etc

    the last bastion of opposition

"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

Other Word Forms

  • bastionary adjective
  • bastioned adjective

Etymology

Origin of bastion

1590–1600; < Middle French < Italian bastione, equivalent to Upper Italian bastí ( a ) bastion, originally, fortified, built (cognate with Italian bastita, past participle of bastire to build < Germanic; baste 1 ) + -one augmentative suffix

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Small towns, villages and hamlets -- home to around half of the central European nation's 9.5 million people -- have long been the bastion of the ruling Fidesz party.

From Barron's • Mar. 29, 2026

No one’s comfortable saying that that pop music should be a bastion of the wealthy, but solutions to that are not free-market solutions.

From Los Angeles Times • Mar. 10, 2026

The shift has opened the doors for the major streaming platforms to get more deeply involved in sports broadcasting rights, which have largely remained a bastion of traditional network television.

From MarketWatch • Feb. 6, 2026

In Israel’s early days, Ben-Gurion’s Mapai, the bastion of Labor Zionism, “was a party with its own state,” Mr. Segal observes.

From The Wall Street Journal • Dec. 28, 2025

Sir Peter had stood all of one night on the bastion directing and encouraging the men.

From "The Door in the Wall" by Marguerite de Angeli