I. ˈfour-square 1 BrE AmE ( also foursquare ) /ˈfɔːskweə $ ˈfɔːrskwer/ adjective
1 . a building that is four-square is strongly built and square in shape
2 . British English old use firm and determined
II. four-square 2 BrE AmE ( also 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 . firmly and solidly:
The hut stood four-square in a corner of the garden.