Constiˌtution of the Uˌnited ˈStates, the BrE AmE ( also Constitution )
the highest law of the government of the US, often unofficially called The Constitution. The Constitution was first written at the Constitutional Convention of 1787, and it officially came into use in 1789. It consists of seven ↑ article s and 27 ↑ amendment s (=additions and changes to the original) .