1 [mass noun] cruelty and savageness:exchanging one kind of social and economic brutalism for another is not what they had in mind
2a stark style of functionalist architecture, especially of the 1950s and 1960s, characterized by the use of steel and concrete in massive blocks:the long, low, concrete-faced buildings were remarkable solely for their brutalism
Derivatives
brutalist
noun & adjective
brutalism in other Oxford dictionaries
Definition of brutalism in the US English dictionary