Foursquare in a sentence as a noun

The get-off-my-lawn type of mentality?The same argument extends to smartphones, and "new fangled" tools such as twitter/foursquare/etc.

Foursquare in a sentence as an adjective

They either need to create a niche of social like twitter, foursquare, and pinterest did, or they need to use a new brand name, and position themselves opposite facebook, not claim they are better...Big executives always talk about convergence, but the Human perception just doesn't work that way.

Foursquare definitions

noun

(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"

See also: square

adjective

characterized by firm and unwavering conviction; "a foursquare refusal to yield"

adverb

in a square position; "the building stood foursquare"

adverb

with firmness and conviction; without compromise; "he stood foursquare for religious liberty and toleration"- C.G.Bowers; "dealt straightforwardly with all issues"

See also: squarely straightforwardly