<p><strong>Adjective:</strong></p><ul><li>Consisting of four corners and four right angles; square: a solid, foursquare building</li><li>Firm; steady; unswerving: He maintained a foursquare position in the controversy</li><li>Forthright; frank; blunt: a foursquare presentation of the company's financial condition</li></ul><p><strong>Adverb:</strong></p><ul><li>Without equivocation; frankly; forthrightly</li></ul><p><strong>Noun:</strong></p><ul><li>A square</li></ul>