Synonyms

case law

American

noun

law established by judicial decisions in particular cases, instead of by legislative action.

case law British

noun

law established by following judicial decisions given in earlier cases Compare statute law See also precedent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of case law

First recorded in 1860–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“AI can already read contracts, summarize case law, draft briefs, and do legal research.”

From The Wall Street Journal • Feb. 12, 2026

Rulemaking is intricate work, they said, requiring expertise in the subject at hand as well as in existing statutes, regulations and case law.

From Salon • Feb. 2, 2026

Immediately afterwards, legal experts questioned whether there is the case law to back this up.

From BBC • Jan. 16, 2026

Normally, Colorado case law takes a relatively capacious view of how a crime’s “gravity” should be measured.

From Slate • Dec. 29, 2025

In fact, there was no case law cited in the entire order:

From "Just Mercy" by Bryan Stevenson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023