The act of taking legal action to protect a right, claim, or interest against an opponent's assertion; the defense is the formal response made by a party in a lawsuit to defend their position or claim.
Imagine you have something important (like your house or money), and someone tries to take it away. 'Defend' means showing up in court to fight for what you want, proving that your right is valid, and stopping the other person from winning.
It matters because it defines the legal mechanism through which a party asserts their claim, counters a claim brought against them, or mounts a formal challenge to an opposing argument in litigation.
Visual model
A party filing a formal response to a complaint filed by the plaintiff.
The act of mounting a defense in a civil action to protect property rights.
Document context
A legal term referring to the formal action taken by a party to protect their legal rights or interests within a judicial proceeding or contractual obligation.
It matters because it defines the legal mechanism through which a party asserts their claim, counters a claim brought against them, or mounts a formal challenge to an opposing argument in litigation.
When parties are contesting a claim, challenging a lawsuit, or asserting the validity of a contractual right under the law.
In legal pleadings, court filings, contract clauses, and statutes where one party formally responds to an accusation or challenge.
The plaintiff, defendant, or challenger who actively participates in the legal process to assert their rightful claim or defense against an opposing assertion.
It works by presenting evidence, arguments, or formal responses to demonstrate that a legal right exists and that the opponent's asserted claim is invalid or insufficient.
Related terms
Share
Copy the link, open native sharing, or scan the QR code from another device.
Scan to open this glossary page on another device.
Wikipedia
Open Wikipedia for broader background on defend.
Open on WikipediaKnowledge graph
This layer links the term to nearby glossary entries, document use cases, and contract-risk guides so readers can move from definition to context without dead ends.
Move from term to document
Disclaimer: We do not provide legal advice. We translate legal language into plain English and help you prepare for a conversation with a lawyer.