bastion

noun

bas·​tion ˈbas-chən 

1

: a projecting part of a fortification

a bastion at each of the fort's five corners

2

: a fortified area or position

bombing island bastions

3

: stronghold sense 2

the last bastion of academic standards

—Amer. Scientist

bastioned

ˈbas-chənd 

adjective

Did you know?

Bastion is related to bastille (a word now used as a general term for a prison, but probably best known as the name of the Parisian fortress-turned-prison stormed by an angry mob at the start of the French Revolution). It comes from the Italian verb bastire, which means "to build."

Synonyms

• castle
• citadel
• fastness
• fort
• fortification
• fortress
• hold
• redoubt
• stronghold

Examples of bastion in a Sentence

the rebel army retreated to its bastion in the mountains to regroup

Recent Examples on the Web

The American cowboy is an aspirational bastion of masculinity, and as Costner proves, of manners. —Caroline Reilly, Robb Report, 15 Jan. 2025

What could be more traditional than Third Round Thursday, that bastion of everything pure about English football? —George Caulkin, The Athletic, 8 Jan. 2025

The Thatcher-Reagan neoliberal counterrevolution combined with reactionary populist anti-intellectualism to seemingly seal the ivory tower’s fate—and to attack universities as bastions of campus revolt and as alternative centers of civil society. —Matthew Wills, JSTOR Daily, 4 Jan. 2025

Europa Clipper is scheduled to launch this month on a mission to explore Europa, an icy moon of Jupiter that scientists have long-suspected may harbor a subsurface ocean with more water than exists on Earth, a potential bastion of alien life. —Space.com Staff, Space.com, 1 Jan. 2025

Word History

Etymology

borrowed from Middle French, borrowed from Italian bastione, from bastia "small quadrangular fortress" (from an Upper Italian counterpart to Tuscan bastita, from feminine past participle of bastire "to build," probably borrowed from Old Occitan bastir "to weave, build," or its Gallo-Romance ancestor) + -one, augmentative suffix (going back to Latin -ō, -ōn-, suffix of nouns denoting persons with a prominent feature) — more at bastille

First Known Use

1546, in the meaning defined at sense 1

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Kids Definition

bastion

noun

bas·​tion ˈbas-chən 

: some place or something that gives protection against attack

a bastion of democracy