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  1. Nullification (U.S. Constitution) - Wikipedia

    Nullification, in United States constitutional history, is a legal theory that a state has the right to nullify, or invalidate, any federal laws that they deem unconstitutional with respect to the United States …

  2. NULLIFICATION Definition & Meaning - Merriam-Webster

    The meaning of NULLIFICATION is the act of nullifying : the state of being nullified.

  3. What Is Nullification? Definition and Examples - ThoughtCo

    Jul 28, 2022 · Nullification is a legal theory in United States constitutional history held that the states have the right to declare null and void any federal law that they deem to be unconstitutional under …

  4. Nullification Crisis | Significance, Cause, President, & States Rights ...

    Dec 19, 2025 · Although the nullification crisis was ostensibly about South Carolina ’s refusal to collect federal tariffs, many historians believe it was actually rooted in growing Southern fears over the …

  5. NULLIFICATION Definition & Meaning | Dictionary.com

    NULLIFICATION definition: an act or instance of nullifying. See examples of nullification used in a sentence.

  6. What Is Nullification? Definition and Legal Context Explained

    Jan 21, 2025 · Nullification is a complex and often contentious concept in the legal system. It involves the ability of certain entities or individuals to invalidate or refuse to enforce laws deemed …

  7. The Doctrine of Nullification: A Citizen's Guide to State vs. Federal ...

    It's a controversial and legally rejected theory that a state has the right to invalidate, or declare void, any federal law that the state deems unconstitutional.

  8. Nullification Definition - AP US History Key Term | Fiveable

    Nullification is the legal theory that allows states to invalidate any federal law they deem unconstitutional. This concept emerged prominently during the early 19th century as tensions grew between state and …

  9. NULLIFICATION | English meaning - Cambridge Dictionary

    NULLIFICATION definition: 1. the act of making a legal agreement or decision have no legal force: 2. the act of causing…. Learn more.

  10. Nullification: The Rightful Remedy - The John Birch Society

    This lecture is an excellent educational resource intended for both citizens and their elected officials, especially state legislators. Watch and share it with others. Visit jbs.org/nullify for more information …