Nolo's Plain-English Law Dictionary

Legal Dictionary Home

Need Professional Help? Talk to a Lawyer

Enter Your Zip Code to Connect with a Lawyer Serving Your Area

searchbox small
Constitutional Amendment
A change to the U.S. Constitution. A constitutional amendment usually starts as a joint resolution in Congress. To take effect, an amendment must be passed by a two-thirds vote of both the House and the Senate, and then get approval from three-quarters of state legislatures.