definition of
foursquare

[1] #1 foursquare n. [square] (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon; "you can compute the area of a square if you know the length of its sides". wn

[2] #2 foursquare s. characterized by firm and unwavering conviction; "a foursquare refusal to yield". wn

[3] #3 foursquare r. in a square position; "the building stood foursquare". wn

[4] #4 foursquare r. [squarely, straightforwardly] with firmness and conviction; without compromise; "he stood foursquare for religious liberty and toleration"- C.G.Bowers; "dealt straightforwardly with all issues". wn