Words
Legal words in plain English. On any page, tap an underlined word to see its meaning.
A
- actively contested
Our label for questions that judges and lawyers still disagree about, which the Supreme Court has not fully settled.
- amendment
A formal change or addition to the Constitution. There have been 27.
See where it matters- apportionment
Dividing seats in the House of Representatives among the states based on population, as counted in the census.
See where it matters- arrest
When police take you into custody because they believe you committed a crime.
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B
- bail
Money or conditions a court sets so a person charged with a crime can stay out of jail before trial.
See where it matters- Bill of Rights
The first 10 amendments to the Constitution, ratified in 1791.
See where it matters- birthright citizenship
U.S. citizenship a person gets by being born on U.S. soil, under the 14th Amendment.
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C
- census
The official count of everyone living in the United States, taken every 10 years.
See where it matters- checks and balances
Ways each branch of government can limit the others, such as the veto, Senate approval of judges, and judicial review.
See where it matters- citizen
A legal member of the nation. The 14th Amendment makes people born or naturalized in the U.S., and subject to its jurisdiction, citizens.
See where it matters- commerce clause
The part of Article I that lets Congress regulate trade with other countries, among the states, and with Native American tribes.
See where it matters- Congress
The lawmaking branch of the federal government. It has two parts: the Senate and the House of Representatives.
See where it matters- consent to a search
Agreeing to let police search you or your things. If you agree, police may not need a warrant. You can say no.
See where it matters- cruel and unusual punishment
Punishment the 8th Amendment forbids, such as punishment courts find barbaric or far out of proportion to the crime.
See where it matters- custody
Being under arrest, or held so that a reasonable person would not feel free to leave. It matters for Miranda warnings.
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D
- detained
Held by police for a period of time, so you are not free to leave, even if you are not under arrest.
See where it matters- double jeopardy
Being tried or punished twice for the same crime by the same government. The 5th Amendment forbids it.
See where it matters- due process
Fair procedures the government must follow before it takes away your life, liberty, or property.
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E
- Electoral College
The system that chooses the president. Each state gets electors equal to its number of senators plus House members.
See where it matters- eminent domain
The government's power to take private property for public use. The 5th Amendment requires it to pay a fair price.
See where it matters- enumerated powers
Powers the Constitution lists in writing for the federal government, mostly for Congress in Article I, Section 8.
See where it matters- equal protection
The 14th Amendment rule that states must treat people equally under the law.
See where it matters- establishment clause
The First Amendment rule that the government cannot set up an official religion. Courts debate exactly how far it reaches.
See where it matters- executive order
A written directive from the president telling federal agencies what to do. Courts can strike one down if it conflicts with the Constitution or law.
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F
- federalism
The sharing of power between the national government and the state governments.
See where it matters- free exercise clause
The First Amendment protection of your right to practice your religion, or no religion, as you choose.
See where it matters- freedom of assembly
Your First Amendment right to gather peacefully with others, such as at a protest or a meeting.
See where it matters- freedom of the press
The First Amendment right to publish news and opinions without government censorship.
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G
- grand jury
A group of citizens who review evidence in private and decide whether there is enough to charge someone with a serious federal crime.
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H
- House of Representatives
The part of Congress where states get seats based on population. Members serve two-year terms.
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I
- impeachment
When the House formally charges a federal official with serious wrongdoing. The Senate then holds a trial to decide on removal.
See where it matters- incorporation
How the Supreme Court has applied most Bill of Rights protections to state and local governments through the 14th Amendment.
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J
- judicial review
The power of courts to strike down laws or government actions that conflict with the Constitution.
See where it matters- jury
A group of ordinary citizens chosen to hear the evidence at a trial and decide the facts.
See where it matters- just compensation
Fair payment, usually the market value, that the government must give when it takes private property.
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M
- militia
A group of citizens trained to serve as soldiers when needed, instead of a full-time army.
See where it matters- Miranda warnings
Warnings police must give before questioning someone in custody: right to stay silent, that statements can be used, right to a lawyer.
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N
- naturalization
The legal process for a person born in another country to become a U.S. citizen.
See where it matters- necessary and proper clause
The part of Article I that lets Congress make laws needed to carry out its listed powers.
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P
- poll tax
A fee charged to vote. The 24th Amendment bans it in federal elections, and a 1966 Court ruling bans it in state elections.
See where it matters- precedent
An earlier court decision that courts follow when deciding similar cases later.
See where it matters- probable cause
Good reason, based on facts, to believe a crime happened or evidence is in a place.
See where it matters- provisional ballot
A ballot you cast when officials question whether you can vote. They check it later before deciding to count it.
See where it matters- public defender
A lawyer paid by the government to represent people charged with crimes who cannot afford a lawyer.
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R
- ratify
To formally approve. An amendment becomes part of the Constitution when three-fourths of the states approve it.
See where it matters- reasonable suspicion
A specific, fact-based reason for police to think crime may be happening. It allows a brief stop, not an arrest.
See where it matters- reserved powers
Powers not given to the federal government, which the 10th Amendment keeps for the states or the people.
See where it matters- right to petition
Your First Amendment right to ask the government to fix a problem or change a policy without being punished for asking.
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S
- search and seizure
When the government looks through you or your things (search), or takes property or a person (seizure). The 4th Amendment limits both.
See where it matters- self-incrimination
Being forced to give testimony that could be used against you in a criminal case. The 5th Amendment protects you from it.
See where it matters- Senate
The part of Congress with two senators from each state. Senators serve six-year terms.
See where it matters- separation of powers
Dividing government power among three branches: Congress makes laws, the president carries them out, and courts interpret them.
See where it matters- suffrage
The right to vote.
See where it matters- supremacy clause
The part of Article VI saying the Constitution, federal laws made under it, and treaties override conflicting state laws.
See where it matters- Supreme Court
The highest court in the United States. Its decisions about the Constitution bind all other courts.
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T
- treason
Making war against the United States or helping its enemies. The Constitution defines it narrowly and requires strong proof.
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U
- unenumerated rights
Rights not listed in the Constitution that people still keep. The 9th Amendment says listing some rights does not deny others.
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V
- veto
The president's power to reject a bill. Congress can override a veto with a two-thirds vote in both houses.
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W
- warrant
A written order signed by a judge that allows police to search a place or arrest a person.
See where it matters- writ of habeas corpus
A court order requiring the government to explain why it is holding someone. It protects against unlawful imprisonment.
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