Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bastion

3 senses of bastion

Sense 1
bastion -- (a group that defends a principle; "a bastion against corruption"; "the last bastion of communism")
       => defense, defence, defense force, defence force -- (an organization of defenders that provides resistance against attack; "he joined the defense against invasion")

Sense 2
bastion, citadel -- (a stronghold into which people could go for shelter during a battle)
       => stronghold, fastness -- (a strongly fortified defensive structure)

Sense 3
bastion -- (projecting part of a rampart or other fortification)
       => fortification, munition -- (defensive structure consisting of walls or mounds built around a stronghold to strengthen it)