res judicata

Definition

The principle that once a court has decided an issue, you can't keep relitigating it like a broken record. It's the legal system's way of telling parties 'we already settled this, move on with your life.'

Example Usage

The defendant's motion was denied based on res judicata since the exact same claim had been rejected in state court last year.

Origin

Latin for 'a matter judged' or 'a thing decided'

Fun Fact

Without res judicata, vindictive litigants could file the same lawsuit repeatedly until they got a favorable result—turning courts into slot machines.

Source: Common civil procedure terminology

Related Terms

Beginner

wrongful

The legal establishment's fancy way of saying "that thing you did was totally not okay and now we're coming after you." This adjective transforms regular old "wrong" into courtroom-appropriate language, typically preceding words like "death," "termination," or "conduct." It's the difference between being merely incorrect and being incorrect in a way that lawyers can bill hours to address.

⚖️ Legal

Intermediate

liable

Legally on the hook for something, meaning if things go sideways, you're the one writing checks or facing consequences. It's the reason everyone buys insurance and adds disclaimers to everything. Being liable means you're responsible in the eyes of the law, whether you feel responsible or not.

⚖️ Legal

Intermediate

affirmative defense

A defense strategy that essentially says "yes, I did it, but here's why I shouldn't be held liable." It's admitting the facts while introducing new ones that excuse or justify the behavior, like claiming self-defense in an assault case.

⚖️ Legal

Beginner

clauses

The individual building blocks of contracts and legal documents that lawyers obsess over like puzzle pieces. Each clause covers a specific topic or obligation, and heaven help you if you miss the one buried on page 47 that waives all your rights. In grammar, they're sentence components; in law, they're potential landmines.

⚖️ Legal

Advanced

committal

The legal system's formal commitment ceremony where a judge decides someone should be committed to custody, trial, or a mental health facility—significantly less fun than other types of commitments. This procedural step represents the point where the justice system officially says "we're keeping you" or "this is going to trial." It's commitment with consequences, basically the opposite of commitment issues.

⚖️ Legal

Beginner

claimant

The optimistic soul who initiates a legal claim, demanding money, benefits, or justice from someone who probably disagrees with their interpretation of events. Whether seeking unemployment benefits, insurance payouts, or damages in a lawsuit, the claimant is the one who shows up saying 'I'm owed something.' They're the protagonist in their legal story, though the defendant might describe them differently.

⚖️ Legal

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