due process

noun

1
: a course of formal proceedings (such as legal proceedings) carried out regularly and in accordance with established rules and principles

called also procedural due process

2
: a judicial requirement that enacted laws may not contain provisions that result in the unfair, arbitrary, or unreasonable treatment of an individual

called also substantive due process

Examples of due process in a Sentence

Due process requires that evidence not be admitted when it is obtained through illegal methods.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On her social media, Hawthorn says her campaign is focused on infrastructure improvements, promoting and expanding access to community gathering spaces, equity among the Forest Preserves and supporting due process in the judicial system. Joseph States, Chicago Tribune, 12 Mar. 2026 Two anonymous trans residents sued Kansas last month, arguing that the law violates state protections for personal autonomy, privacy, equality, due process and freedom of speech. Jo Yurcaba, NBC news, 11 Mar. 2026 The claim, shared late Tuesday afternoon by the California Department of Education, adds to existing allegations that 6-year-old Joseph Andrey Londono Rodriguez was detained and deported without the devices and without due process. Jason Green, Mercury News, 11 Mar. 2026 In December, the New York Times sued the Pentagon and Hegseth, claiming its credential policy violates journalists’ constitutional rights to free speech and due process. Jessica Schladebeck, New York Daily News, 11 Mar. 2026 See All Example Sentences for due process

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of due process was in the 15th century

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Cite this Entry

“Due process.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/due%20process. Accessed 16 Mar. 2026.

Legal Definition

due process

noun
1
: a course of formal proceedings (as judicial proceedings) carried out regularly, fairly, and in accordance with established rules and principles

called also procedural due process

2
: a requirement that laws and regulations must be related to a legitimate government interest (as crime prevention) and may not contain provisions that result in the unfair or arbitrary treatment of an individual

called also substantive due process

Note: The guarantee of due process is found in the Fifth Amendment to the Constitution, which states “no person shall…be deprived of life, liberty, or property, without due process of law,” and in the Fourteenth Amendment, which states “nor shall any state deprive any person of life, liberty, or property without due process of law.” The boundaries of due process are not fixed and are the subject of endless judicial interpretation and decision-making. Fundamental to procedural due process is adequate notice prior to the government's deprivation of one's life, liberty, or property, and an opportunity to be heard and defend one's rights to life, liberty, or property. Substantive due process is a limit on the government's power to enact laws or regulations that affect one's life, liberty, or property rights. It is a safeguard from governmental action that is not related to any legitimate government interest or that is unfair, irrational, or arbitrary in its furtherance of a government interest. The requirement of due process applies to agency actions.

3
: the right to due process
acts that violated due process

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