1. (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"

1. characterized by firm and unwavering conviction;

"a foursquare refusal to yield"

1. in a square position;

"the building stood foursquare"

2. with firmness and conviction; without compromise;

"he stood foursquare for religious liberty and toleration"- C.G.Bowers

"dealt straightforwardly with all issues"