What are the five ways to informally amend the constitution?

1. Basic Legislation 2. Executive Action 3. Court Decisions 4. Party Practice 5. Custom

~passing basic legislation ~adding meaning to skeletal portions of the Constitution ~simply exercising many of its powers

There is one way and that is to write and pass an amendment.

U.S. Constitution Article 5: "The Congress, whenever two thirds of both Houses shall deem it necessary, shall propose Amendments to this Constitution, or, on the Application of the Legislatures of...

Five