From Longman Dictionary of Contemporary Englishfour-squareˈfour-square1, foursquare /ˈfɔːskweə $ ˈfɔːrskwer/ adjective 1 TBa building that is four-square is strongly built and square in shape2 HONEST British English old use firm and determined
Examples from the Corpus
four-square• Another La Plata station, quite different, four-square and concrete, belonged to the provincial government's metre-gauge railway.• The shamrock might better be seen as a four-square field, with customers being, as he suggested, the fourth element.• The Deccan developed a distinctively four-square stone-built style.four-squarefour-square2, foursquare adverb 1 if you stand four-square behind someone, you support them completely He stood four-square behind the prime minister in the dispute.2 MOVE something OR somebodyfirmly and solidly The hut stood four-square in a corner of the garden.