Dendril
    Dendril Roots
      bastion
      noun
      projecting part of a rampart or other fortification
      a stronghold into which people could go for shelter during a battle
      a group that defends a principle
      Roots
      bastirbastion- · Old French · to build
      Synonyms for bastion
      citadelnstrongholdnfortressnbulwarknfortalicetenailleredoubtnfortificationnfortnravelinblockhousenbeachheadndemibastionnmartello
      Words related to bastion
      counterguardtenaillondemigorgerampartsnoutpostnbarmkinfortilagestrongpointbattlementsnrefortificationnpalisadoimpregnablenessnimpregnableadjimpregnablyadvafforcementnfortifiedadjmoineaubastillenfortletcastellationsrampartednembattlementnbattlementedadjinexpugnableadjinexpugnablyadvrefortifyv

      Synonyms & related words for bastion

      Find synonyms, related words, and the definition of bastion — including citadel, stronghold, fortress, bulwark, fortalice, tenaille. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to bastion

      Explore words related to bastion — words associated with it, words that go with it, and its nearest matches in meaning. Related words include counterguard, tenaillon, demigorge, ramparts, outpost, barmkin, fortilage, strongpoint. Click any word to make it the center of the map and keep exploring the web of connections.

      Synonyms for bastion

      Common synonyms for bastion include citadel, stronghold, fortress, bulwark, fortalice, tenaille, redoubt, fortification — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

      Where does bastion come from?

      The word bastion breaks down into one root of Old French origin: the root bastion, from Old French bastir (“to build”). Explore each root to see other English words built from the same source.

      © 2026 Dendril · Credits Explore roots